Home / 154,335,503.50-231,200,568.72-89,503,102.42

Finding the Fourth Proportional to 154,335,503.50, 231,200,568.72 and 89,503,102.42

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Solution

The fourth proportional to 154,335,503.50, 231,200,568.72 and 89,503,102.42 is: 134,079,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,335,503.50 : 231,200,568.72 = 89,503,102.42 : x
  2. Step 2: Convert to fraction form
    154,335,503.50/231,200,568.72 = 89,503,102.42/x
  3. Step 3: Cross multiply
    154,335,503.50x = 231,200,568.72 × 89,503,102.42
  4. Step 4: Simplify right side
    154,335,503.50x = 20,693,168,181,708,408
  5. Step 5: Solve for x
    x = 20,693,168,181,708,408/154,335,503.50
  6. Step 6: Final answer
    x = 134,079,117.98

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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.