Home / 145,436,616.20-218,154,924.30-91,017,057.80

Finding the Fourth Proportional to 145,436,616.20, 218,154,924.30 and 91,017,057.80

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Solution

The fourth proportional to 145,436,616.20, 218,154,924.30 and 91,017,057.80 is: 136,525,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,436,616.20 : 218,154,924.30 = 91,017,057.80 : x
  2. Step 2: Convert to fraction form
    145,436,616.20/218,154,924.30 = 91,017,057.80/x
  3. Step 3: Cross multiply
    145,436,616.20x = 218,154,924.30 × 91,017,057.80
  4. Step 4: Simplify right side
    145,436,616.20x = 19,855,819,354,367,724
  5. Step 5: Solve for x
    x = 19,855,819,354,367,724/145,436,616.20
  6. Step 6: Final answer
    x = 136,525,586.70

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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.