Home / 99,072,360.30-148,608,540.45-60,330,311.40

Finding the Fourth Proportional to 99,072,360.30, 148,608,540.45 and 60,330,311.40

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Solution

The fourth proportional to 99,072,360.30, 148,608,540.45 and 60,330,311.40 is: 90,495,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,360.30 : 148,608,540.45 = 60,330,311.40 : x
  2. Step 2: Convert to fraction form
    99,072,360.30/148,608,540.45 = 60,330,311.40/x
  3. Step 3: Cross multiply
    99,072,360.30x = 148,608,540.45 × 60,330,311.40
  4. Step 4: Simplify right side
    99,072,360.30x = 8,965,599,522,047,995
  5. Step 5: Solve for x
    x = 8,965,599,522,047,995/99,072,360.30
  6. Step 6: Final answer
    x = 90,495,467.10

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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.