Home / 147,890,756.28-221,856,321.46-61,608,984.88

Finding the Fourth Proportional to 147,890,756.28, 221,856,321.46 and 61,608,984.88

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Solution

The fourth proportional to 147,890,756.28, 221,856,321.46 and 61,608,984.88 is: 92,421,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,890,756.28 : 221,856,321.46 = 61,608,984.88 : x
  2. Step 2: Convert to fraction form
    147,890,756.28/221,856,321.46 = 61,608,984.88/x
  3. Step 3: Cross multiply
    147,890,756.28x = 221,856,321.46 × 61,608,984.88
  4. Step 4: Simplify right side
    147,890,756.28x = 13,668,342,753,387,548
  5. Step 5: Solve for x
    x = 13,668,342,753,387,548/147,890,756.28
  6. Step 6: Final answer
    x = 92,421,886.92

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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.