Home / 84,251,041.20-126,376,561.80-49,671,946.80

Finding the Fourth Proportional to 84,251,041.20, 126,376,561.80 and 49,671,946.80

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Solution

The fourth proportional to 84,251,041.20, 126,376,561.80 and 49,671,946.80 is: 74,507,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251,041.20 : 126,376,561.80 = 49,671,946.80 : x
  2. Step 2: Convert to fraction form
    84,251,041.20/126,376,561.80 = 49,671,946.80/x
  3. Step 3: Cross multiply
    84,251,041.20x = 126,376,561.80 × 49,671,946.80
  4. Step 4: Simplify right side
    84,251,041.20x = 6,277,369,854,496,512
  5. Step 5: Solve for x
    x = 6,277,369,854,496,512/84,251,041.20
  6. Step 6: Final answer
    x = 74,507,920.20

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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.