Home / 77,253,275.18-115,861,935.48-28,753,969.52

Finding the Fourth Proportional to 77,253,275.18, 115,861,935.48 and 28,753,969.52

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Solution

The fourth proportional to 77,253,275.18, 115,861,935.48 and 28,753,969.52 is: 43,124,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253,275.18 : 115,861,935.48 = 28,753,969.52 : x
  2. Step 2: Convert to fraction form
    77,253,275.18/115,861,935.48 = 28,753,969.52/x
  3. Step 3: Cross multiply
    77,253,275.18x = 115,861,935.48 × 28,753,969.52
  4. Step 4: Simplify right side
    77,253,275.18x = 3,331,490,561,501,954
  5. Step 5: Solve for x
    x = 3,331,490,561,501,954/77,253,275.18
  6. Step 6: Final answer
    x = 43,124,263.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.