Home / 66,436,237.80-99,654,356.70-59,740,081.20

Finding the Fourth Proportional to 66,436,237.80, 99,654,356.70 and 59,740,081.20

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Solution

The fourth proportional to 66,436,237.80, 99,654,356.70 and 59,740,081.20 is: 89,610,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436,237.80 : 99,654,356.70 = 59,740,081.20 : x
  2. Step 2: Convert to fraction form
    66,436,237.80/99,654,356.70 = 59,740,081.20/x
  3. Step 3: Cross multiply
    66,436,237.80x = 99,654,356.70 × 59,740,081.20
  4. Step 4: Simplify right side
    66,436,237.80x = 5,953,359,361,191,765
  5. Step 5: Solve for x
    x = 5,953,359,361,191,765/66,436,237.80
  6. Step 6: Final answer
    x = 89,610,121.80

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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.