Home / 97,096,399.20-145,644,598.80-87,354,626.40

Finding the Fourth Proportional to 97,096,399.20, 145,644,598.80 and 87,354,626.40

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Solution

The fourth proportional to 97,096,399.20, 145,644,598.80 and 87,354,626.40 is: 131,031,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,096,399.20 : 145,644,598.80 = 87,354,626.40 : x
  2. Step 2: Convert to fraction form
    97,096,399.20/145,644,598.80 = 87,354,626.40/x
  3. Step 3: Cross multiply
    97,096,399.20x = 145,644,598.80 × 87,354,626.40
  4. Step 4: Simplify right side
    97,096,399.20x = 12,722,729,515,351,890
  5. Step 5: Solve for x
    x = 12,722,729,515,351,890/97,096,399.20
  6. Step 6: Final answer
    x = 131,031,939.60

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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.