Home / 159,779,245.80-239,668,868.70-131,057,812.20

Finding the Fourth Proportional to 159,779,245.80, 239,668,868.70 and 131,057,812.20

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Solution

The fourth proportional to 159,779,245.80, 239,668,868.70 and 131,057,812.20 is: 196,586,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,779,245.80 : 239,668,868.70 = 131,057,812.20 : x
  2. Step 2: Convert to fraction form
    159,779,245.80/239,668,868.70 = 131,057,812.20/x
  3. Step 3: Cross multiply
    159,779,245.80x = 239,668,868.70 × 131,057,812.20
  4. Step 4: Simplify right side
    159,779,245.80x = 31,410,477,584,271,056
  5. Step 5: Solve for x
    x = 31,410,477,584,271,056/159,779,245.80
  6. Step 6: Final answer
    x = 196,586,718.30

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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.