Home / 188,243,330.10-282,364,995.15-86,206,658.10

Finding the Fourth Proportional to 188,243,330.10, 282,364,995.15 and 86,206,658.10

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Solution

The fourth proportional to 188,243,330.10, 282,364,995.15 and 86,206,658.10 is: 129,309,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,243,330.10 : 282,364,995.15 = 86,206,658.10 : x
  2. Step 2: Convert to fraction form
    188,243,330.10/282,364,995.15 = 86,206,658.10/x
  3. Step 3: Cross multiply
    188,243,330.10x = 282,364,995.15 × 86,206,658.10
  4. Step 4: Simplify right side
    188,243,330.10x = 24,341,742,596,304,204
  5. Step 5: Solve for x
    x = 24,341,742,596,304,204/188,243,330.10
  6. Step 6: Final answer
    x = 129,309,987.15

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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.