Home / 156,375,339.66-215,798,001.42-86,760,554.46

Finding the Fourth Proportional to 156,375,339.66, 215,798,001.42 and 86,760,554.46

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Solution

The fourth proportional to 156,375,339.66, 215,798,001.42 and 86,760,554.46 is: 119,729,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,375,339.66 : 215,798,001.42 = 86,760,554.46 : x
  2. Step 2: Convert to fraction form
    156,375,339.66/215,798,001.42 = 86,760,554.46/x
  3. Step 3: Cross multiply
    156,375,339.66x = 215,798,001.42 × 86,760,554.46
  4. Step 4: Simplify right side
    156,375,339.66x = 18,722,754,254,559,064
  5. Step 5: Solve for x
    x = 18,722,754,254,559,064/156,375,339.66
  6. Step 6: Final answer
    x = 119,729,583.29

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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.