Home / 147,629,206.30-221,443,809.45-136,879,663.90

Finding the Fourth Proportional to 147,629,206.30, 221,443,809.45 and 136,879,663.90

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Solution

The fourth proportional to 147,629,206.30, 221,443,809.45 and 136,879,663.90 is: 205,319,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,629,206.30 : 221,443,809.45 = 136,879,663.90 : x
  2. Step 2: Convert to fraction form
    147,629,206.30/221,443,809.45 = 136,879,663.90/x
  3. Step 3: Cross multiply
    147,629,206.30x = 221,443,809.45 × 136,879,663.90
  4. Step 4: Simplify right side
    147,629,206.30x = 30,311,154,210,251,644
  5. Step 5: Solve for x
    x = 30,311,154,210,251,644/147,629,206.30
  6. Step 6: Final answer
    x = 205,319,495.85

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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.