Home / 143,609,403.60-215,414,105.40-97,692,901.20

Finding the Fourth Proportional to 143,609,403.60, 215,414,105.40 and 97,692,901.20

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Solution

The fourth proportional to 143,609,403.60, 215,414,105.40 and 97,692,901.20 is: 146,539,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,609,403.60 : 215,414,105.40 = 97,692,901.20 : x
  2. Step 2: Convert to fraction form
    143,609,403.60/215,414,105.40 = 97,692,901.20/x
  3. Step 3: Cross multiply
    143,609,403.60x = 215,414,105.40 × 97,692,901.20
  4. Step 4: Simplify right side
    143,609,403.60x = 21,044,428,915,928,588
  5. Step 5: Solve for x
    x = 21,044,428,915,928,588/143,609,403.60
  6. Step 6: Final answer
    x = 146,539,351.80

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1.5x scale

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.