Home / 77,526,258.38-106,988,518.66-42,721,190.83

Finding the Fourth Proportional to 77,526,258.38, 106,988,518.66 and 42,721,190.83

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Solution

The fourth proportional to 77,526,258.38, 106,988,518.66 and 42,721,190.83 is: 58,956,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,526,258.38 : 106,988,518.66 = 42,721,190.83 : x
  2. Step 2: Convert to fraction form
    77,526,258.38/106,988,518.66 = 42,721,190.83/x
  3. Step 3: Cross multiply
    77,526,258.38x = 106,988,518.66 × 42,721,190.83
  4. Step 4: Simplify right side
    77,526,258.38x = 4,570,676,921,757,933
  5. Step 5: Solve for x
    x = 4,570,676,921,757,933/77,526,258.38
  6. Step 6: Final answer
    x = 58,956,500.90

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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.