Home / 121,413,002.10-182,119,503.15-82,670,953.20

Finding the Fourth Proportional to 121,413,002.10, 182,119,503.15 and 82,670,953.20

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Solution

The fourth proportional to 121,413,002.10, 182,119,503.15 and 82,670,953.20 is: 124,006,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,413,002.10 : 182,119,503.15 = 82,670,953.20 : x
  2. Step 2: Convert to fraction form
    121,413,002.10/182,119,503.15 = 82,670,953.20/x
  3. Step 3: Cross multiply
    121,413,002.10x = 182,119,503.15 × 82,670,953.20
  4. Step 4: Simplify right side
    121,413,002.10x = 15,055,992,921,720,904
  5. Step 5: Solve for x
    x = 15,055,992,921,720,904/121,413,002.10
  6. Step 6: Final answer
    x = 124,006,429.80

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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.