Home / 75,815,999.80-113,723,999.70-59,691,686.20

Finding the Fourth Proportional to 75,815,999.80, 113,723,999.70 and 59,691,686.20

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Solution

The fourth proportional to 75,815,999.80, 113,723,999.70 and 59,691,686.20 is: 89,537,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815,999.80 : 113,723,999.70 = 59,691,686.20 : x
  2. Step 2: Convert to fraction form
    75,815,999.80/113,723,999.70 = 59,691,686.20/x
  3. Step 3: Cross multiply
    75,815,999.80x = 113,723,999.70 × 59,691,686.20
  4. Step 4: Simplify right side
    75,815,999.80x = 6,788,377,303,501,295
  5. Step 5: Solve for x
    x = 6,788,377,303,501,295/75,815,999.80
  6. Step 6: Final answer
    x = 89,537,529.30

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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.