Home / 147,333,829,680.10-221,000,744,520.15-80,387,569,180.90

Finding the Fourth Proportional to 147,333,829,680.10, 221,000,744,520.15 and 80,387,569,180.90

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Solution

The fourth proportional to 147,333,829,680.10, 221,000,744,520.15 and 80,387,569,180.90 is: 120,581,353,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,333,829,680.10 : 221,000,744,520.15 = 80,387,569,180.90 : x
  2. Step 2: Convert to fraction form
    147,333,829,680.10/221,000,744,520.15 = 80,387,569,180.90/x
  3. Step 3: Cross multiply
    147,333,829,680.10x = 221,000,744,520.15 × 80,387,569,180.90
  4. Step 4: Simplify right side
    147,333,829,680.10x = 17,765,712,639,143,962,476,544
  5. Step 5: Solve for x
    x = 17,765,712,639,143,962,476,544/147,333,829,680.10
  6. Step 6: Final answer
    x = 120,581,353,771.35

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1.5x scale

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.