Home / 77,253,387.09-115,862,102.69-28,754,081.43

Finding the Fourth Proportional to 77,253,387.09, 115,862,102.69 and 28,754,081.43

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Solution

The fourth proportional to 77,253,387.09, 115,862,102.69 and 28,754,081.43 is: 43,124,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253,387.09 : 115,862,102.69 = 28,754,081.43 : x
  2. Step 2: Convert to fraction form
    77,253,387.09/115,862,102.69 = 28,754,081.43/x
  3. Step 3: Cross multiply
    77,253,387.09x = 115,862,102.69 × 28,754,081.43
  4. Step 4: Simplify right side
    77,253,387.09x = 3,331,508,335,255,511.50
  5. Step 5: Solve for x
    x = 3,331,508,335,255,511.50/77,253,387.09
  6. Step 6: Final answer
    x = 43,124,430.67

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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.