Home / 147,744,968.10-221,617,452.15-86,522,964.90

Finding the Fourth Proportional to 147,744,968.10, 221,617,452.15 and 86,522,964.90

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Solution

The fourth proportional to 147,744,968.10, 221,617,452.15 and 86,522,964.90 is: 129,784,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,968.10 : 221,617,452.15 = 86,522,964.90 : x
  2. Step 2: Convert to fraction form
    147,744,968.10/221,617,452.15 = 86,522,964.90/x
  3. Step 3: Cross multiply
    147,744,968.10x = 221,617,452.15 × 86,522,964.90
  4. Step 4: Simplify right side
    147,744,968.10x = 19,174,999,033,601,880
  5. Step 5: Solve for x
    x = 19,174,999,033,601,880/147,744,968.10
  6. Step 6: Final answer
    x = 129,784,447.35

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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.