Home / 124,666,422.88-172,036,363.44-69,662,731.36

Finding the Fourth Proportional to 124,666,422.88, 172,036,363.44 and 69,662,731.36

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Solution

The fourth proportional to 124,666,422.88, 172,036,363.44 and 69,662,731.36 is: 96,132,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,666,422.88 : 172,036,363.44 = 69,662,731.36 : x
  2. Step 2: Convert to fraction form
    124,666,422.88/172,036,363.44 = 69,662,731.36/x
  3. Step 3: Cross multiply
    124,666,422.88x = 172,036,363.44 × 69,662,731.36
  4. Step 4: Simplify right side
    124,666,422.88x = 11,984,522,970,472,046
  5. Step 5: Solve for x
    x = 11,984,522,970,472,046/124,666,422.88
  6. Step 6: Final answer
    x = 96,132,725.18

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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.