Home / 196,344,043.20-294,516,064.80-87,127,012.80

Finding the Fourth Proportional to 196,344,043.20, 294,516,064.80 and 87,127,012.80

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Solution

The fourth proportional to 196,344,043.20, 294,516,064.80 and 87,127,012.80 is: 130,690,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,344,043.20 : 294,516,064.80 = 87,127,012.80 : x
  2. Step 2: Convert to fraction form
    196,344,043.20/294,516,064.80 = 87,127,012.80/x
  3. Step 3: Cross multiply
    196,344,043.20x = 294,516,064.80 × 87,127,012.80
  4. Step 4: Simplify right side
    196,344,043.20x = 25,660,304,947,635,228
  5. Step 5: Solve for x
    x = 25,660,304,947,635,228/196,344,043.20
  6. Step 6: Final answer
    x = 130,690,519.20

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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.