Home / 66,676,121.64-99,945,981.18-45,113,000.04

Finding the Fourth Proportional to 66,676,121.64, 99,945,981.18 and 45,113,000.04

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Solution

The fourth proportional to 66,676,121.64, 99,945,981.18 and 45,113,000.04 is: 67,623,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,676,121.64 : 99,945,981.18 = 45,113,000.04 : x
  2. Step 2: Convert to fraction form
    66,676,121.64/99,945,981.18 = 45,113,000.04/x
  3. Step 3: Cross multiply
    66,676,121.64x = 99,945,981.18 × 45,113,000.04
  4. Step 4: Simplify right side
    66,676,121.64x = 4,508,863,052,971,179
  5. Step 5: Solve for x
    x = 4,508,863,052,971,179/66,676,121.64
  6. Step 6: Final answer
    x = 67,623,355.14

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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.