Home / 153,826,008.40-230,739,012.60-148,451,237.20

Finding the Fourth Proportional to 153,826,008.40, 230,739,012.60 and 148,451,237.20

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Solution

The fourth proportional to 153,826,008.40, 230,739,012.60 and 148,451,237.20 is: 222,676,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,826,008.40 : 230,739,012.60 = 148,451,237.20 : x
  2. Step 2: Convert to fraction form
    153,826,008.40/230,739,012.60 = 148,451,237.20/x
  3. Step 3: Cross multiply
    153,826,008.40x = 230,739,012.60 × 148,451,237.20
  4. Step 4: Simplify right side
    153,826,008.40x = 34,253,491,890,776,384
  5. Step 5: Solve for x
    x = 34,253,491,890,776,384/153,826,008.40
  6. Step 6: Final answer
    x = 222,676,855.80

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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.