Home / 77,526,245.47-106,988,500.86-42,721,177.92

Finding the Fourth Proportional to 77,526,245.47, 106,988,500.86 and 42,721,177.92

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Solution

The fourth proportional to 77,526,245.47, 106,988,500.86 and 42,721,177.92 is: 58,956,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,526,245.47 : 106,988,500.86 = 42,721,177.92 : x
  2. Step 2: Convert to fraction form
    77,526,245.47/106,988,500.86 = 42,721,177.92/x
  3. Step 3: Cross multiply
    77,526,245.47x = 106,988,500.86 × 42,721,177.92
  4. Step 4: Simplify right side
    77,526,245.47x = 4,570,674,781,335,950
  5. Step 5: Solve for x
    x = 4,570,674,781,335,950/77,526,245.47
  6. Step 6: Final answer
    x = 58,956,483.11

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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.