Home / 239,428,914.90-358,971,005.30-147,121,933.65

Finding the Fourth Proportional to 239,428,914.90, 358,971,005.30 and 147,121,933.65

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Solution

The fourth proportional to 239,428,914.90, 358,971,005.30 and 147,121,933.65 is: 220,576,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,428,914.90 : 358,971,005.30 = 147,121,933.65 : x
  2. Step 2: Convert to fraction form
    239,428,914.90/358,971,005.30 = 147,121,933.65/x
  3. Step 3: Cross multiply
    239,428,914.90x = 358,971,005.30 × 147,121,933.65
  4. Step 4: Simplify right side
    239,428,914.90x = 52,812,508,423,284,792
  5. Step 5: Solve for x
    x = 52,812,508,423,284,792/239,428,914.90
  6. Step 6: Final answer
    x = 220,576,986.06

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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.