Home / 129,026,908.80-193,540,363.20-57,363,292.80

Finding the Fourth Proportional to 129,026,908.80, 193,540,363.20 and 57,363,292.80

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Solution

The fourth proportional to 129,026,908.80, 193,540,363.20 and 57,363,292.80 is: 86,044,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,026,908.80 : 193,540,363.20 = 57,363,292.80 : x
  2. Step 2: Convert to fraction form
    129,026,908.80/193,540,363.20 = 57,363,292.80/x
  3. Step 3: Cross multiply
    129,026,908.80x = 193,540,363.20 × 57,363,292.80
  4. Step 4: Simplify right side
    129,026,908.80x = 11,102,112,522,859,944
  5. Step 5: Solve for x
    x = 11,102,112,522,859,944/129,026,908.80
  6. Step 6: Final answer
    x = 86,044,939.20

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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.