Home / 135,549,061.60-203,181,874.80-74,043,623.20

Finding the Fourth Proportional to 135,549,061.60, 203,181,874.80 and 74,043,623.20

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Solution

The fourth proportional to 135,549,061.60, 203,181,874.80 and 74,043,623.20 is: 110,988,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,549,061.60 : 203,181,874.80 = 74,043,623.20 : x
  2. Step 2: Convert to fraction form
    135,549,061.60/203,181,874.80 = 74,043,623.20/x
  3. Step 3: Cross multiply
    135,549,061.60x = 203,181,874.80 × 74,043,623.20
  4. Step 4: Simplify right side
    135,549,061.60x = 15,044,322,178,760,776
  5. Step 5: Solve for x
    x = 15,044,322,178,760,776/135,549,061.60
  6. Step 6: Final answer
    x = 110,988,021.62

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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.