Home / 124,687,543.60-172,074,124.20-69,683,398.48

Finding the Fourth Proportional to 124,687,543.60, 172,074,124.20 and 69,683,398.48

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Solution

The fourth proportional to 124,687,543.60, 172,074,124.20 and 69,683,398.48 is: 96,166,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,687,543.60 : 172,074,124.20 = 69,683,398.48 : x
  2. Step 2: Convert to fraction form
    124,687,543.60/172,074,124.20 = 69,683,398.48/x
  3. Step 3: Cross multiply
    124,687,543.60x = 172,074,124.20 × 69,683,398.48
  4. Step 4: Simplify right side
    124,687,543.60x = 11,990,709,764,725,612
  5. Step 5: Solve for x
    x = 11,990,709,764,725,612/124,687,543.60
  6. Step 6: Final answer
    x = 96,166,059.72

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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.