Home / 147,636,005.70-221,454,008.55-45,386,757.30

Finding the Fourth Proportional to 147,636,005.70, 221,454,008.55 and 45,386,757.30

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Solution

The fourth proportional to 147,636,005.70, 221,454,008.55 and 45,386,757.30 is: 68,080,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,636,005.70 : 221,454,008.55 = 45,386,757.30 : x
  2. Step 2: Convert to fraction form
    147,636,005.70/221,454,008.55 = 45,386,757.30/x
  3. Step 3: Cross multiply
    147,636,005.70x = 221,454,008.55 × 45,386,757.30
  4. Step 4: Simplify right side
    147,636,005.70x = 10,051,079,339,170,974
  5. Step 5: Solve for x
    x = 10,051,079,339,170,974/147,636,005.70
  6. Step 6: Final answer
    x = 68,080,135.95

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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.