Home / 124,748,838.50-172,084,289.12-72,532,103.04

Finding the Fourth Proportional to 124,748,838.50, 172,084,289.12 and 72,532,103.04

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Solution

The fourth proportional to 124,748,838.50, 172,084,289.12 and 72,532,103.04 is: 100,054,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,748,838.50 : 172,084,289.12 = 72,532,103.04 : x
  2. Step 2: Convert to fraction form
    124,748,838.50/172,084,289.12 = 72,532,103.04/x
  3. Step 3: Cross multiply
    124,748,838.50x = 172,084,289.12 × 72,532,103.04
  4. Step 4: Simplify right side
    124,748,838.50x = 12,481,635,390,016,992
  5. Step 5: Solve for x
    x = 12,481,635,390,016,992/124,748,838.50
  6. Step 6: Final answer
    x = 100,054,121.07

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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.