Home / 159,779,246.80-239,668,870.20-131,057,813.20

Finding the Fourth Proportional to 159,779,246.80, 239,668,870.20 and 131,057,813.20

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Solution

The fourth proportional to 159,779,246.80, 239,668,870.20 and 131,057,813.20 is: 196,586,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,779,246.80 : 239,668,870.20 = 131,057,813.20 : x
  2. Step 2: Convert to fraction form
    159,779,246.80/239,668,870.20 = 131,057,813.20/x
  3. Step 3: Cross multiply
    159,779,246.80x = 239,668,870.20 × 131,057,813.20
  4. Step 4: Simplify right side
    159,779,246.80x = 31,410,478,020,526,644
  5. Step 5: Solve for x
    x = 31,410,478,020,526,644/159,779,246.80
  6. Step 6: Final answer
    x = 196,586,719.80

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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.