Home / 147,577,754.60-221,500,963.92-78,548,511.32

Finding the Fourth Proportional to 147,577,754.60, 221,500,963.92 and 78,548,511.32

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Solution

The fourth proportional to 147,577,754.60, 221,500,963.92 and 78,548,511.32 is: 117,894,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,577,754.60 : 221,500,963.92 = 78,548,511.32 : x
  2. Step 2: Convert to fraction form
    147,577,754.60/221,500,963.92 = 78,548,511.32/x
  3. Step 3: Cross multiply
    147,577,754.60x = 221,500,963.92 × 78,548,511.32
  4. Step 4: Simplify right side
    147,577,754.60x = 17,398,570,971,861,028
  5. Step 5: Solve for x
    x = 17,398,570,971,861,028/147,577,754.60
  6. Step 6: Final answer
    x = 117,894,265.43

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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.