Home / 99,557,670.60-149,336,505.90-89,354,003.40

Finding the Fourth Proportional to 99,557,670.60, 149,336,505.90 and 89,354,003.40

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Solution

The fourth proportional to 99,557,670.60, 149,336,505.90 and 89,354,003.40 is: 134,031,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,557,670.60 : 149,336,505.90 = 89,354,003.40 : x
  2. Step 2: Convert to fraction form
    99,557,670.60/149,336,505.90 = 89,354,003.40/x
  3. Step 3: Cross multiply
    99,557,670.60x = 149,336,505.90 × 89,354,003.40
  4. Step 4: Simplify right side
    99,557,670.60x = 13,343,814,655,932,722
  5. Step 5: Solve for x
    x = 13,343,814,655,932,722/99,557,670.60
  6. Step 6: Final answer
    x = 134,031,005.10

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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.