Home / 147,960,646.20-221,940,969.30-40,255,270.20

Finding the Fourth Proportional to 147,960,646.20, 221,940,969.30 and 40,255,270.20

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Solution

The fourth proportional to 147,960,646.20, 221,940,969.30 and 40,255,270.20 is: 60,382,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,960,646.20 : 221,940,969.30 = 40,255,270.20 : x
  2. Step 2: Convert to fraction form
    147,960,646.20/221,940,969.30 = 40,255,270.20/x
  3. Step 3: Cross multiply
    147,960,646.20x = 221,940,969.30 × 40,255,270.20
  4. Step 4: Simplify right side
    147,960,646.20x = 8,934,293,687,621,406
  5. Step 5: Solve for x
    x = 8,934,293,687,621,406/147,960,646.20
  6. Step 6: Final answer
    x = 60,382,905.30

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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.