Home / 98,496,003.80-147,744,005.70-66,247,376.60

Finding the Fourth Proportional to 98,496,003.80, 147,744,005.70 and 66,247,376.60

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Solution

The fourth proportional to 98,496,003.80, 147,744,005.70 and 66,247,376.60 is: 99,371,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,003.80 : 147,744,005.70 = 66,247,376.60 : x
  2. Step 2: Convert to fraction form
    98,496,003.80/147,744,005.70 = 66,247,376.60/x
  3. Step 3: Cross multiply
    98,496,003.80x = 147,744,005.70 × 66,247,376.60
  4. Step 4: Simplify right side
    98,496,003.80x = 9,787,652,786,000,446
  5. Step 5: Solve for x
    x = 9,787,652,786,000,446/98,496,003.80
  6. Step 6: Final answer
    x = 99,371,064.90

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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.