Home / 75,897,699.80-113,846,549.70-19,164,003.80

Finding the Fourth Proportional to 75,897,699.80, 113,846,549.70 and 19,164,003.80

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Solution

The fourth proportional to 75,897,699.80, 113,846,549.70 and 19,164,003.80 is: 28,746,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,897,699.80 : 113,846,549.70 = 19,164,003.80 : x
  2. Step 2: Convert to fraction form
    75,897,699.80/113,846,549.70 = 19,164,003.80/x
  3. Step 3: Cross multiply
    75,897,699.80x = 113,846,549.70 × 19,164,003.80
  4. Step 4: Simplify right side
    75,897,699.80x = 2,181,755,711,067,689
  5. Step 5: Solve for x
    x = 2,181,755,711,067,689/75,897,699.80
  6. Step 6: Final answer
    x = 28,746,005.70

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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.