Home / 77,253,259.14-115,861,911.48-28,753,953.48

Finding the Fourth Proportional to 77,253,259.14, 115,861,911.48 and 28,753,953.48

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Solution

The fourth proportional to 77,253,259.14, 115,861,911.48 and 28,753,953.48 is: 43,124,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253,259.14 : 115,861,911.48 = 28,753,953.48 : x
  2. Step 2: Convert to fraction form
    77,253,259.14/115,861,911.48 = 28,753,953.48/x
  3. Step 3: Cross multiply
    77,253,259.14x = 115,861,911.48 × 28,753,953.48
  4. Step 4: Simplify right side
    77,253,259.14x = 3,331,488,012,799,798
  5. Step 5: Solve for x
    x = 3,331,488,012,799,798/77,253,259.14
  6. Step 6: Final answer
    x = 43,124,239.03

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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.