Home / 55,566,217.69-76,681,380.41-31,119,931.69

Finding the Fourth Proportional to 55,566,217.69, 76,681,380.41 and 31,119,931.69

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Solution

The fourth proportional to 55,566,217.69, 76,681,380.41 and 31,119,931.69 is: 42,945,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566,217.69 : 76,681,380.41 = 31,119,931.69 : x
  2. Step 2: Convert to fraction form
    55,566,217.69/76,681,380.41 = 31,119,931.69/x
  3. Step 3: Cross multiply
    55,566,217.69x = 76,681,380.41 × 31,119,931.69
  4. Step 4: Simplify right side
    55,566,217.69x = 2,386,319,320,023,501
  5. Step 5: Solve for x
    x = 2,386,319,320,023,501/55,566,217.69
  6. Step 6: Final answer
    x = 42,945,505.73

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Double scale
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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.