Home / 153,761,594.27-212,190,861.92-86,794,651.29

Finding the Fourth Proportional to 153,761,594.27, 212,190,861.92 and 86,794,651.29

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Solution

The fourth proportional to 153,761,594.27, 212,190,861.92 and 86,794,651.29 is: 119,776,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,761,594.27 : 212,190,861.92 = 86,794,651.29 : x
  2. Step 2: Convert to fraction form
    153,761,594.27/212,190,861.92 = 86,794,651.29/x
  3. Step 3: Cross multiply
    153,761,594.27x = 212,190,861.92 × 86,794,651.29
  4. Step 4: Simplify right side
    153,761,594.27x = 18,417,031,866,836,968
  5. Step 5: Solve for x
    x = 18,417,031,866,836,968/153,761,594.27
  6. Step 6: Final answer
    x = 119,776,540.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.