Home / 145,673,670.60-218,510,505.90-99,757,168.20

Finding the Fourth Proportional to 145,673,670.60, 218,510,505.90 and 99,757,168.20

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Solution

The fourth proportional to 145,673,670.60, 218,510,505.90 and 99,757,168.20 is: 149,635,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,673,670.60 : 218,510,505.90 = 99,757,168.20 : x
  2. Step 2: Convert to fraction form
    145,673,670.60/218,510,505.90 = 99,757,168.20/x
  3. Step 3: Cross multiply
    145,673,670.60x = 218,510,505.90 × 99,757,168.20
  4. Step 4: Simplify right side
    145,673,670.60x = 21,797,989,290,533,392
  5. Step 5: Solve for x
    x = 21,797,989,290,533,392/145,673,670.60
  6. Step 6: Final answer
    x = 149,635,752.30

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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.