Home / 146,702,327.40-220,053,491.10-66,080,759.40

Finding the Fourth Proportional to 146,702,327.40, 220,053,491.10 and 66,080,759.40

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Solution

The fourth proportional to 146,702,327.40, 220,053,491.10 and 66,080,759.40 is: 99,121,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,702,327.40 : 220,053,491.10 = 66,080,759.40 : x
  2. Step 2: Convert to fraction form
    146,702,327.40/220,053,491.10 = 66,080,759.40/x
  3. Step 3: Cross multiply
    146,702,327.40x = 220,053,491.10 × 66,080,759.40
  4. Step 4: Simplify right side
    146,702,327.40x = 14,541,301,800,509,140
  5. Step 5: Solve for x
    x = 14,541,301,800,509,140/146,702,327.40
  6. Step 6: Final answer
    x = 99,121,139.10

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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.