Home / 77,915,476.72-107,526,522.90-43,107,600.25

Finding the Fourth Proportional to 77,915,476.72, 107,526,522.90 and 43,107,600.25

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Solution

The fourth proportional to 77,915,476.72, 107,526,522.90 and 43,107,600.25 is: 59,490,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,915,476.72 : 107,526,522.90 = 43,107,600.25 : x
  2. Step 2: Convert to fraction form
    77,915,476.72/107,526,522.90 = 43,107,600.25/x
  3. Step 3: Cross multiply
    77,915,476.72x = 107,526,522.90 × 43,107,600.25
  4. Step 4: Simplify right side
    77,915,476.72x = 4,635,210,365,445,671
  5. Step 5: Solve for x
    x = 4,635,210,365,445,671/77,915,476.72
  6. Step 6: Final answer
    x = 59,490,239.43

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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.