Home / 147,745,110.10-221,617,665.15-99,372,169.30

Finding the Fourth Proportional to 147,745,110.10, 221,617,665.15 and 99,372,169.30

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Solution

The fourth proportional to 147,745,110.10, 221,617,665.15 and 99,372,169.30 is: 149,058,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,745,110.10 : 221,617,665.15 = 99,372,169.30 : x
  2. Step 2: Convert to fraction form
    147,745,110.10/221,617,665.15 = 99,372,169.30/x
  3. Step 3: Cross multiply
    147,745,110.10x = 221,617,665.15 × 99,372,169.30
  4. Step 4: Simplify right side
    147,745,110.10x = 22,022,628,141,156,508
  5. Step 5: Solve for x
    x = 22,022,628,141,156,508/147,745,110.10
  6. Step 6: Final answer
    x = 149,058,253.95

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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.