Home / 99,143,999.40-148,715,999.10-60,344,869.80

Finding the Fourth Proportional to 99,143,999.40, 148,715,999.10 and 60,344,869.80

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Solution

The fourth proportional to 99,143,999.40, 148,715,999.10 and 60,344,869.80 is: 90,517,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,143,999.40 : 148,715,999.10 = 60,344,869.80 : x
  2. Step 2: Convert to fraction form
    99,143,999.40/148,715,999.10 = 60,344,869.80/x
  3. Step 3: Cross multiply
    99,143,999.40x = 148,715,999.10 × 60,344,869.80
  4. Step 4: Simplify right side
    99,143,999.40x = 8,974,247,602,866,416
  5. Step 5: Solve for x
    x = 8,974,247,602,866,416/99,143,999.40
  6. Step 6: Final answer
    x = 90,517,304.70

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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.