Home / 99,661,379.10-149,492,068.65-61,198,172.70

Finding the Fourth Proportional to 99,661,379.10, 149,492,068.65 and 61,198,172.70

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Solution

The fourth proportional to 99,661,379.10, 149,492,068.65 and 61,198,172.70 is: 91,797,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,661,379.10 : 149,492,068.65 = 61,198,172.70 : x
  2. Step 2: Convert to fraction form
    99,661,379.10/149,492,068.65 = 61,198,172.70/x
  3. Step 3: Cross multiply
    99,661,379.10x = 149,492,068.65 × 61,198,172.70
  4. Step 4: Simplify right side
    99,661,379.10x = 9,148,641,434,522,956
  5. Step 5: Solve for x
    x = 9,148,641,434,522,956/99,661,379.10
  6. Step 6: Final answer
    x = 91,797,259.05

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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.