Home / 89,931,140.55-124,053,172.21-54,142,668.29

Finding the Fourth Proportional to 89,931,140.55, 124,053,172.21 and 54,142,668.29

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Solution

The fourth proportional to 89,931,140.55, 124,053,172.21 and 54,142,668.29 is: 74,685,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,931,140.55 : 124,053,172.21 = 54,142,668.29 : x
  2. Step 2: Convert to fraction form
    89,931,140.55/124,053,172.21 = 54,142,668.29/x
  3. Step 3: Cross multiply
    89,931,140.55x = 124,053,172.21 × 54,142,668.29
  4. Step 4: Simplify right side
    89,931,140.55x = 6,716,569,753,666,087
  5. Step 5: Solve for x
    x = 6,716,569,753,666,087/89,931,140.55
  6. Step 6: Final answer
    x = 74,685,695.22

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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.