Home / 124,741,987.54-172,124,818.76-71,808,463.19

Finding the Fourth Proportional to 124,741,987.54, 172,124,818.76 and 71,808,463.19

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Solution

The fourth proportional to 124,741,987.54, 172,124,818.76 and 71,808,463.19 is: 99,084,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,741,987.54 : 172,124,818.76 = 71,808,463.19 : x
  2. Step 2: Convert to fraction form
    124,741,987.54/172,124,818.76 = 71,808,463.19/x
  3. Step 3: Cross multiply
    124,741,987.54x = 172,124,818.76 × 71,808,463.19
  4. Step 4: Simplify right side
    124,741,987.54x = 12,360,018,711,654,512
  5. Step 5: Solve for x
    x = 12,360,018,711,654,512/124,741,987.54
  6. Step 6: Final answer
    x = 99,084,670.33

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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.