Home / 84,613,487.20-116,723,638.64-55,262,000.77

Finding the Fourth Proportional to 84,613,487.20, 116,723,638.64 and 55,262,000.77

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Solution

The fourth proportional to 84,613,487.20, 116,723,638.64 and 55,262,000.77 is: 76,233,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,613,487.20 : 116,723,638.64 = 55,262,000.77 : x
  2. Step 2: Convert to fraction form
    84,613,487.20/116,723,638.64 = 55,262,000.77/x
  3. Step 3: Cross multiply
    84,613,487.20x = 116,723,638.64 × 55,262,000.77
  4. Step 4: Simplify right side
    84,613,487.20x = 6,450,381,808,247,227
  5. Step 5: Solve for x
    x = 6,450,381,808,247,227/84,613,487.20
  6. Step 6: Final answer
    x = 76,233,494.47

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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.