Home / 124,905,641.32-172,369,826.73-68,393,961.46

Finding the Fourth Proportional to 124,905,641.32, 172,369,826.73 and 68,393,961.46

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Solution

The fourth proportional to 124,905,641.32, 172,369,826.73 and 68,393,961.46 is: 94,383,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,905,641.32 : 172,369,826.73 = 68,393,961.46 : x
  2. Step 2: Convert to fraction form
    124,905,641.32/172,369,826.73 = 68,393,961.46/x
  3. Step 3: Cross multiply
    124,905,641.32x = 172,369,826.73 × 68,393,961.46
  4. Step 4: Simplify right side
    124,905,641.32x = 11,789,055,286,238,496
  5. Step 5: Solve for x
    x = 11,789,055,286,238,496/124,905,641.32
  6. Step 6: Final answer
    x = 94,383,689.65

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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.