Home / 147,297,391.20-220,938,099.12-45,061,437.60

Finding the Fourth Proportional to 147,297,391.20, 220,938,099.12 and 45,061,437.60

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Solution

The fourth proportional to 147,297,391.20, 220,938,099.12 and 45,061,437.60 is: 67,589,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,297,391.20 : 220,938,099.12 = 45,061,437.60 : x
  2. Step 2: Convert to fraction form
    147,297,391.20/220,938,099.12 = 45,061,437.60/x
  3. Step 3: Cross multiply
    147,297,391.20x = 220,938,099.12 × 45,061,437.60
  4. Step 4: Simplify right side
    147,297,391.20x = 9,955,788,366,958,496
  5. Step 5: Solve for x
    x = 9,955,788,366,958,496/147,297,391.20
  6. Step 6: Final answer
    x = 67,589,712.80

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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.