Home / 77,526,278.88-106,988,546.94-42,721,211.34

Finding the Fourth Proportional to 77,526,278.88, 106,988,546.94 and 42,721,211.34

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Solution

The fourth proportional to 77,526,278.88, 106,988,546.94 and 42,721,211.34 is: 58,956,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,526,278.88 : 106,988,546.94 = 42,721,211.34 : x
  2. Step 2: Convert to fraction form
    77,526,278.88/106,988,546.94 = 42,721,211.34/x
  3. Step 3: Cross multiply
    77,526,278.88x = 106,988,546.94 × 42,721,211.34
  4. Step 4: Simplify right side
    77,526,278.88x = 4,570,680,324,783,251
  5. Step 5: Solve for x
    x = 4,570,680,324,783,251/77,526,278.88
  6. Step 6: Final answer
    x = 58,956,529.20

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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.