Home / 147,744,005.60-221,616,008.40-135,650,770.40

Finding the Fourth Proportional to 147,744,005.60, 221,616,008.40 and 135,650,770.40

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Solution

The fourth proportional to 147,744,005.60, 221,616,008.40 and 135,650,770.40 is: 203,476,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,005.60 : 221,616,008.40 = 135,650,770.40 : x
  2. Step 2: Convert to fraction form
    147,744,005.60/221,616,008.40 = 135,650,770.40/x
  3. Step 3: Cross multiply
    147,744,005.60x = 221,616,008.40 × 135,650,770.40
  4. Step 4: Simplify right side
    147,744,005.60x = 30,062,382,272,432,872
  5. Step 5: Solve for x
    x = 30,062,382,272,432,872/147,744,005.60
  6. Step 6: Final answer
    x = 203,476,155.60

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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.