Home / 55,513,618.92-76,608,812.64-30,397,316.76

Finding the Fourth Proportional to 55,513,618.92, 76,608,812.64 and 30,397,316.76

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Solution

The fourth proportional to 55,513,618.92, 76,608,812.64 and 30,397,316.76 is: 41,948,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513,618.92 : 76,608,812.64 = 30,397,316.76 : x
  2. Step 2: Convert to fraction form
    55,513,618.92/76,608,812.64 = 30,397,316.76/x
  3. Step 3: Cross multiply
    55,513,618.92x = 76,608,812.64 × 30,397,316.76
  4. Step 4: Simplify right side
    55,513,618.92x = 2,328,702,344,425,572
  5. Step 5: Solve for x
    x = 2,328,702,344,425,572/55,513,618.92
  6. Step 6: Final answer
    x = 41,948,307.28

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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.