Home / 56,966,345.28-78,613,231.68-30,861,371.52

Finding the Fourth Proportional to 56,966,345.28, 78,613,231.68 and 30,861,371.52

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Solution

The fourth proportional to 56,966,345.28, 78,613,231.68 and 30,861,371.52 is: 42,588,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,966,345.28 : 78,613,231.68 = 30,861,371.52 : x
  2. Step 2: Convert to fraction form
    56,966,345.28/78,613,231.68 = 30,861,371.52/x
  3. Step 3: Cross multiply
    56,966,345.28x = 78,613,231.68 × 30,861,371.52
  4. Step 4: Simplify right side
    56,966,345.28x = 2,426,112,149,264,314
  5. Step 5: Solve for x
    x = 2,426,112,149,264,314/56,966,345.28
  6. Step 6: Final answer
    x = 42,588,516.73

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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.