Home / 65,604,666.80-98,407,000.20-31,517,793.20

Finding the Fourth Proportional to 65,604,666.80, 98,407,000.20 and 31,517,793.20

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Solution

The fourth proportional to 65,604,666.80, 98,407,000.20 and 31,517,793.20 is: 47,276,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,604,666.80 : 98,407,000.20 = 31,517,793.20 : x
  2. Step 2: Convert to fraction form
    65,604,666.80/98,407,000.20 = 31,517,793.20/x
  3. Step 3: Cross multiply
    65,604,666.80x = 98,407,000.20 × 31,517,793.20
  4. Step 4: Simplify right side
    65,604,666.80x = 3,101,571,481,735,958.50
  5. Step 5: Solve for x
    x = 3,101,571,481,735,958.50/65,604,666.80
  6. Step 6: Final answer
    x = 47,276,689.80

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1.5x scale

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.