Home / 130,349,891.80-195,636,812.10-57,678,506.20

Finding the Fourth Proportional to 130,349,891.80, 195,636,812.10 and 57,678,506.20

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Solution

The fourth proportional to 130,349,891.80, 195,636,812.10 and 57,678,506.20 is: 86,567,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,349,891.80 : 195,636,812.10 = 57,678,506.20 : x
  2. Step 2: Convert to fraction form
    130,349,891.80/195,636,812.10 = 57,678,506.20/x
  3. Step 3: Cross multiply
    130,349,891.80x = 195,636,812.10 × 57,678,506.20
  4. Step 4: Simplify right side
    130,349,891.80x = 11,284,039,079,658,086
  5. Step 5: Solve for x
    x = 11,284,039,079,658,086/130,349,891.80
  6. Step 6: Final answer
    x = 86,567,306.84

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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.