Home / 147,815,999.80-221,472,057.30-126,148,953.40

Finding the Fourth Proportional to 147,815,999.80, 221,472,057.30 and 126,148,953.40

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Solution

The fourth proportional to 147,815,999.80, 221,472,057.30 and 126,148,953.40 is: 189,008,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,815,999.80 : 221,472,057.30 = 126,148,953.40 : x
  2. Step 2: Convert to fraction form
    147,815,999.80/221,472,057.30 = 126,148,953.40/x
  3. Step 3: Cross multiply
    147,815,999.80x = 221,472,057.30 × 126,148,953.40
  4. Step 4: Simplify right side
    147,815,999.80x = 27,938,468,235,739,832
  5. Step 5: Solve for x
    x = 27,938,468,235,739,832/147,815,999.80
  6. Step 6: Final answer
    x = 189,008,417.72

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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.