Home / 143,577,241.60-215,365,862.40-129,244,518.40

Finding the Fourth Proportional to 143,577,241.60, 215,365,862.40 and 129,244,518.40

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Solution

The fourth proportional to 143,577,241.60, 215,365,862.40 and 129,244,518.40 is: 193,866,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,577,241.60 : 215,365,862.40 = 129,244,518.40 : x
  2. Step 2: Convert to fraction form
    143,577,241.60/215,365,862.40 = 129,244,518.40/x
  3. Step 3: Cross multiply
    143,577,241.60x = 215,365,862.40 × 129,244,518.40
  4. Step 4: Simplify right side
    143,577,241.60x = 27,834,857,165,688,672
  5. Step 5: Solve for x
    x = 27,834,857,165,688,672/143,577,241.60
  6. Step 6: Final answer
    x = 193,866,777.60

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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.