Home / 80,637,482.20-120,922,592.01-25,291,057.71

Finding the Fourth Proportional to 80,637,482.20, 120,922,592.01 and 25,291,057.71

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Solution

The fourth proportional to 80,637,482.20, 120,922,592.01 and 25,291,057.71 is: 37,926,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,637,482.20 : 120,922,592.01 = 25,291,057.71 : x
  2. Step 2: Convert to fraction form
    80,637,482.20/120,922,592.01 = 25,291,057.71/x
  3. Step 3: Cross multiply
    80,637,482.20x = 120,922,592.01 × 25,291,057.71
  4. Step 4: Simplify right side
    80,637,482.20x = 3,058,260,252,967,695
  5. Step 5: Solve for x
    x = 3,058,260,252,967,695/80,637,482.20
  6. Step 6: Final answer
    x = 37,926,038.48

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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.