Home / 100,493,482.20-150,660,507.15-55,055,276.70

Finding the Fourth Proportional to 100,493,482.20, 150,660,507.15 and 55,055,276.70

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Solution

The fourth proportional to 100,493,482.20, 150,660,507.15 and 55,055,276.70 is: 82,539,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,493,482.20 : 150,660,507.15 = 55,055,276.70 : x
  2. Step 2: Convert to fraction form
    100,493,482.20/150,660,507.15 = 55,055,276.70/x
  3. Step 3: Cross multiply
    100,493,482.20x = 150,660,507.15 × 55,055,276.70
  4. Step 4: Simplify right side
    100,493,482.20x = 8,294,655,908,905,579
  5. Step 5: Solve for x
    x = 8,294,655,908,905,579/100,493,482.20
  6. Step 6: Final answer
    x = 82,539,242.62

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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.