Home / 96,720,002.40-145,080,003.60-66,109,000.80

Finding the Fourth Proportional to 96,720,002.40, 145,080,003.60 and 66,109,000.80

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Solution

The fourth proportional to 96,720,002.40, 145,080,003.60 and 66,109,000.80 is: 99,163,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,720,002.40 : 145,080,003.60 = 66,109,000.80 : x
  2. Step 2: Convert to fraction form
    96,720,002.40/145,080,003.60 = 66,109,000.80/x
  3. Step 3: Cross multiply
    96,720,002.40x = 145,080,003.60 × 66,109,000.80
  4. Step 4: Simplify right side
    96,720,002.40x = 9,591,094,074,056,402
  5. Step 5: Solve for x
    x = 9,591,094,074,056,402/96,720,002.40
  6. Step 6: Final answer
    x = 99,163,501.20

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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.