Home / 146,756,490.60-220,134,735.90-78,732,042.60

Finding the Fourth Proportional to 146,756,490.60, 220,134,735.90 and 78,732,042.60

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Solution

The fourth proportional to 146,756,490.60, 220,134,735.90 and 78,732,042.60 is: 118,098,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,756,490.60 : 220,134,735.90 = 78,732,042.60 : x
  2. Step 2: Convert to fraction form
    146,756,490.60/220,134,735.90 = 78,732,042.60/x
  3. Step 3: Cross multiply
    146,756,490.60x = 220,134,735.90 × 78,732,042.60
  4. Step 4: Simplify right side
    146,756,490.60x = 17,331,657,404,618,548
  5. Step 5: Solve for x
    x = 17,331,657,404,618,548/146,756,490.60
  6. Step 6: Final answer
    x = 118,098,063.90

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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.