Home / 169,126,905.60-253,690,358.40-142,850,246.40

Finding the Fourth Proportional to 169,126,905.60, 253,690,358.40 and 142,850,246.40

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Solution

The fourth proportional to 169,126,905.60, 253,690,358.40 and 142,850,246.40 is: 214,275,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,126,905.60 : 253,690,358.40 = 142,850,246.40 : x
  2. Step 2: Convert to fraction form
    169,126,905.60/253,690,358.40 = 142,850,246.40/x
  3. Step 3: Cross multiply
    169,126,905.60x = 253,690,358.40 × 142,850,246.40
  4. Step 4: Simplify right side
    169,126,905.60x = 36,239,730,206,744,312
  5. Step 5: Solve for x
    x = 36,239,730,206,744,312/169,126,905.60
  6. Step 6: Final answer
    x = 214,275,369.60

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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.