Home / 144,878,613.60-217,569,862.80-76,854,165.60

Finding the Fourth Proportional to 144,878,613.60, 217,569,862.80 and 76,854,165.60

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Solution

The fourth proportional to 144,878,613.60, 217,569,862.80 and 76,854,165.60 is: 115,414,896.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,878,613.60 : 217,569,862.80 = 76,854,165.60 : x
  2. Step 2: Convert to fraction form
    144,878,613.60/217,569,862.80 = 76,854,165.60/x
  3. Step 3: Cross multiply
    144,878,613.60x = 217,569,862.80 × 76,854,165.60
  4. Step 4: Simplify right side
    144,878,613.60x = 16,721,150,265,200,480
  5. Step 5: Solve for x
    x = 16,721,150,265,200,480/144,878,613.60
  6. Step 6: Final answer
    x = 115,414,896.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.