Home / 147,744,895.10-221,617,342.65-86,522,891.90

Finding the Fourth Proportional to 147,744,895.10, 221,617,342.65 and 86,522,891.90

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Solution

The fourth proportional to 147,744,895.10, 221,617,342.65 and 86,522,891.90 is: 129,784,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,895.10 : 221,617,342.65 = 86,522,891.90 : x
  2. Step 2: Convert to fraction form
    147,744,895.10/221,617,342.65 = 86,522,891.90/x
  3. Step 3: Cross multiply
    147,744,895.10x = 221,617,342.65 × 86,522,891.90
  4. Step 4: Simplify right side
    147,744,895.10x = 19,174,973,381,271,212
  5. Step 5: Solve for x
    x = 19,174,973,381,271,212/147,744,895.10
  6. Step 6: Final answer
    x = 129,784,337.85

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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.