Home / 146,641,315.20-220,103,690.40-89,245,687.20

Finding the Fourth Proportional to 146,641,315.20, 220,103,690.40 and 89,245,687.20

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Solution

The fourth proportional to 146,641,315.20, 220,103,690.40 and 89,245,687.20 is: 133,954,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,641,315.20 : 220,103,690.40 = 89,245,687.20 : x
  2. Step 2: Convert to fraction form
    146,641,315.20/220,103,690.40 = 89,245,687.20/x
  3. Step 3: Cross multiply
    146,641,315.20x = 220,103,690.40 × 89,245,687.20
  4. Step 4: Simplify right side
    146,641,315.20x = 19,643,305,105,004,044
  5. Step 5: Solve for x
    x = 19,643,305,105,004,044/146,641,315.20
  6. Step 6: Final answer
    x = 133,954,779.92

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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.