Home / 145,169,906.40-217,754,859.60-108,890,200.80

Finding the Fourth Proportional to 145,169,906.40, 217,754,859.60 and 108,890,200.80

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Solution

The fourth proportional to 145,169,906.40, 217,754,859.60 and 108,890,200.80 is: 163,335,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,169,906.40 : 217,754,859.60 = 108,890,200.80 : x
  2. Step 2: Convert to fraction form
    145,169,906.40/217,754,859.60 = 108,890,200.80/x
  3. Step 3: Cross multiply
    145,169,906.40x = 217,754,859.60 × 108,890,200.80
  4. Step 4: Simplify right side
    145,169,906.40x = 23,711,370,387,019,808
  5. Step 5: Solve for x
    x = 23,711,370,387,019,808/145,169,906.40
  6. Step 6: Final answer
    x = 163,335,301.20

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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.