Home / 129,276,209.40-193,914,314.10-43,017,430.20

Finding the Fourth Proportional to 129,276,209.40, 193,914,314.10 and 43,017,430.20

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Solution

The fourth proportional to 129,276,209.40, 193,914,314.10 and 43,017,430.20 is: 64,526,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,276,209.40 : 193,914,314.10 = 43,017,430.20 : x
  2. Step 2: Convert to fraction form
    129,276,209.40/193,914,314.10 = 43,017,430.20/x
  3. Step 3: Cross multiply
    129,276,209.40x = 193,914,314.10 × 43,017,430.20
  4. Step 4: Simplify right side
    129,276,209.40x = 8,341,695,471,577,626
  5. Step 5: Solve for x
    x = 8,341,695,471,577,626/129,276,209.40
  6. Step 6: Final answer
    x = 64,526,145.30

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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.