Home / 77,915,416.98-107,526,440.44-43,107,540.50

Finding the Fourth Proportional to 77,915,416.98, 107,526,440.44 and 43,107,540.50

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Solution

The fourth proportional to 77,915,416.98, 107,526,440.44 and 43,107,540.50 is: 59,490,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,915,416.98 : 107,526,440.44 = 43,107,540.50 : x
  2. Step 2: Convert to fraction form
    77,915,416.98/107,526,440.44 = 43,107,540.50/x
  3. Step 3: Cross multiply
    77,915,416.98x = 107,526,440.44 × 43,107,540.50
  4. Step 4: Simplify right side
    77,915,416.98x = 4,635,200,386,088,138
  5. Step 5: Solve for x
    x = 4,635,200,386,088,138/77,915,416.98
  6. Step 6: Final answer
    x = 59,490,156.96

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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.