Home / 129,034,256.80-193,551,385.20-113,917,712.80

Finding the Fourth Proportional to 129,034,256.80, 193,551,385.20 and 113,917,712.80

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Solution

The fourth proportional to 129,034,256.80, 193,551,385.20 and 113,917,712.80 is: 170,876,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,034,256.80 : 193,551,385.20 = 113,917,712.80 : x
  2. Step 2: Convert to fraction form
    129,034,256.80/193,551,385.20 = 113,917,712.80/x
  3. Step 3: Cross multiply
    129,034,256.80x = 193,551,385.20 × 113,917,712.80
  4. Step 4: Simplify right side
    129,034,256.80x = 22,048,931,111,255,768
  5. Step 5: Solve for x
    x = 22,048,931,111,255,768/129,034,256.80
  6. Step 6: Final answer
    x = 170,876,569.20

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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.