Home / 76,175,142.30-105,153,862.59-51,428,836.26

Finding the Fourth Proportional to 76,175,142.30, 105,153,862.59 and 51,428,836.26

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Solution

The fourth proportional to 76,175,142.30, 105,153,862.59 and 51,428,836.26 is: 70,993,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,175,142.30 : 105,153,862.59 = 51,428,836.26 : x
  2. Step 2: Convert to fraction form
    76,175,142.30/105,153,862.59 = 51,428,836.26/x
  3. Step 3: Cross multiply
    76,175,142.30x = 105,153,862.59 × 51,428,836.26
  4. Step 4: Simplify right side
    76,175,142.30x = 5,407,940,781,247,649
  5. Step 5: Solve for x
    x = 5,407,940,781,247,649/76,175,142.30
  6. Step 6: Final answer
    x = 70,993,510.72

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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.