Home / 147,984,005.10-221,976,007.65-140,929,617.90

Finding the Fourth Proportional to 147,984,005.10, 221,976,007.65 and 140,929,617.90

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Solution

The fourth proportional to 147,984,005.10, 221,976,007.65 and 140,929,617.90 is: 211,394,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,984,005.10 : 221,976,007.65 = 140,929,617.90 : x
  2. Step 2: Convert to fraction form
    147,984,005.10/221,976,007.65 = 140,929,617.90/x
  3. Step 3: Cross multiply
    147,984,005.10x = 221,976,007.65 × 140,929,617.90
  4. Step 4: Simplify right side
    147,984,005.10x = 31,282,993,941,081,980
  5. Step 5: Solve for x
    x = 31,282,993,941,081,980/147,984,005.10
  6. Step 6: Final answer
    x = 211,394,426.85

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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.