Home / 147,744,964.60-221,617,446.90-86,522,961.40

Finding the Fourth Proportional to 147,744,964.60, 221,617,446.90 and 86,522,961.40

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Solution

The fourth proportional to 147,744,964.60, 221,617,446.90 and 86,522,961.40 is: 129,784,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,964.60 : 221,617,446.90 = 86,522,961.40 : x
  2. Step 2: Convert to fraction form
    147,744,964.60/221,617,446.90 = 86,522,961.40/x
  3. Step 3: Cross multiply
    147,744,964.60x = 221,617,446.90 × 86,522,961.40
  4. Step 4: Simplify right side
    147,744,964.60x = 19,174,997,803,695,252
  5. Step 5: Solve for x
    x = 19,174,997,803,695,252/147,744,964.60
  6. Step 6: Final answer
    x = 129,784,442.10

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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.