Home / 124,665,018.88-172,034,425.44-69,661,327.36

Finding the Fourth Proportional to 124,665,018.88, 172,034,425.44 and 69,661,327.36

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Solution

The fourth proportional to 124,665,018.88, 172,034,425.44 and 69,661,327.36 is: 96,130,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,665,018.88 : 172,034,425.44 = 69,661,327.36 : x
  2. Step 2: Convert to fraction form
    124,665,018.88/172,034,425.44 = 69,661,327.36/x
  3. Step 3: Cross multiply
    124,665,018.88x = 172,034,425.44 × 69,661,327.36
  4. Step 4: Simplify right side
    124,665,018.88x = 11,984,146,427,765,352
  5. Step 5: Solve for x
    x = 11,984,146,427,765,352/124,665,018.88
  6. Step 6: Final answer
    x = 96,130,787.41

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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.