Home / 142,349,636,195.19-196,429,513,936.82-84,468,041,715.83

Finding the Fourth Proportional to 142,349,636,195.19, 196,429,513,936.82 and 84,468,041,715.83

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Solution

The fourth proportional to 142,349,636,195.19, 196,429,513,936.82 and 84,468,041,715.83 is: 116,558,193,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,349,636,195.19 : 196,429,513,936.82 = 84,468,041,715.83 : x
  2. Step 2: Convert to fraction form
    142,349,636,195.19/196,429,513,936.82 = 84,468,041,715.83/x
  3. Step 3: Cross multiply
    142,349,636,195.19x = 196,429,513,936.82 × 84,468,041,715.83
  4. Step 4: Simplify right side
    142,349,636,195.19x = 16,592,016,377,434,540,605,440
  5. Step 5: Solve for x
    x = 16,592,016,377,434,540,605,440/142,349,636,195.19
  6. Step 6: Final answer
    x = 116,558,193,058.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.