Home / 49,799,373.80-74,657,588.70-21,067,572.20

Finding the Fourth Proportional to 49,799,373.80, 74,657,588.70 and 21,067,572.20

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Solution

The fourth proportional to 49,799,373.80, 74,657,588.70 and 21,067,572.20 is: 31,583,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,799,373.80 : 74,657,588.70 = 21,067,572.20 : x
  2. Step 2: Convert to fraction form
    49,799,373.80/74,657,588.70 = 21,067,572.20/x
  3. Step 3: Cross multiply
    49,799,373.80x = 74,657,588.70 × 21,067,572.20
  4. Step 4: Simplify right side
    49,799,373.80x = 1,572,854,140,215,154.25
  5. Step 5: Solve for x
    x = 1,572,854,140,215,154.25/49,799,373.80
  6. Step 6: Final answer
    x = 31,583,813.61

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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.