Home / 125,051,644.59-172,514,681.02-75,476,170.91

Finding the Fourth Proportional to 125,051,644.59, 172,514,681.02 and 75,476,170.91

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Solution

The fourth proportional to 125,051,644.59, 172,514,681.02 and 75,476,170.91 is: 104,122,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,051,644.59 : 172,514,681.02 = 75,476,170.91 : x
  2. Step 2: Convert to fraction form
    125,051,644.59/172,514,681.02 = 75,476,170.91/x
  3. Step 3: Cross multiply
    125,051,644.59x = 172,514,681.02 × 75,476,170.91
  4. Step 4: Simplify right side
    125,051,644.59x = 13,020,747,548,098,390
  5. Step 5: Solve for x
    x = 13,020,747,548,098,390/125,051,644.59
  6. Step 6: Final answer
    x = 104,122,961.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.