Home / 142,349,636,198.20-196,429,513,940.96-84,468,041,718.84

Finding the Fourth Proportional to 142,349,636,198.20, 196,429,513,940.96 and 84,468,041,718.84

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Solution

The fourth proportional to 142,349,636,198.20, 196,429,513,940.96 and 84,468,041,718.84 is: 116,558,193,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,349,636,198.20 : 196,429,513,940.96 = 84,468,041,718.84 : x
  2. Step 2: Convert to fraction form
    142,349,636,198.20/196,429,513,940.96 = 84,468,041,718.84/x
  3. Step 3: Cross multiply
    142,349,636,198.20x = 196,429,513,940.96 × 84,468,041,718.84
  4. Step 4: Simplify right side
    142,349,636,198.20x = 16,592,016,378,376,472,231,936
  5. Step 5: Solve for x
    x = 16,592,016,378,376,472,231,936/142,349,636,198.20
  6. Step 6: Final answer
    x = 116,558,193,062.57

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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.