Home / 65,575,244.70-98,362,867.05-20,131,134.30

Finding the Fourth Proportional to 65,575,244.70, 98,362,867.05 and 20,131,134.30

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Solution

The fourth proportional to 65,575,244.70, 98,362,867.05 and 20,131,134.30 is: 30,196,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,575,244.70 : 98,362,867.05 = 20,131,134.30 : x
  2. Step 2: Convert to fraction form
    65,575,244.70/98,362,867.05 = 20,131,134.30/x
  3. Step 3: Cross multiply
    65,575,244.70x = 98,362,867.05 × 20,131,134.30
  4. Step 4: Simplify right side
    65,575,244.70x = 1,980,156,086,716,594.75
  5. Step 5: Solve for x
    x = 1,980,156,086,716,594.75/65,575,244.70
  6. Step 6: Final answer
    x = 30,196,701.45

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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.