Home / 67,713,646.40-101,570,469.60-66,705,876.80

Finding the Fourth Proportional to 67,713,646.40, 101,570,469.60 and 66,705,876.80

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Solution

The fourth proportional to 67,713,646.40, 101,570,469.60 and 66,705,876.80 is: 100,058,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,713,646.40 : 101,570,469.60 = 66,705,876.80 : x
  2. Step 2: Convert to fraction form
    67,713,646.40/101,570,469.60 = 66,705,876.80/x
  3. Step 3: Cross multiply
    67,713,646.40x = 101,570,469.60 × 66,705,876.80
  4. Step 4: Simplify right side
    67,713,646.40x = 6,775,347,231,655,745
  5. Step 5: Solve for x
    x = 6,775,347,231,655,745/67,713,646.40
  6. Step 6: Final answer
    x = 100,058,815.20

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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.