Home / 94,754,522.80-142,131,784.20-85,968,031.60

Finding the Fourth Proportional to 94,754,522.80, 142,131,784.20 and 85,968,031.60

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Solution

The fourth proportional to 94,754,522.80, 142,131,784.20 and 85,968,031.60 is: 128,952,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,754,522.80 : 142,131,784.20 = 85,968,031.60 : x
  2. Step 2: Convert to fraction form
    94,754,522.80/142,131,784.20 = 85,968,031.60/x
  3. Step 3: Cross multiply
    94,754,522.80x = 142,131,784.20 × 85,968,031.60
  4. Step 4: Simplify right side
    94,754,522.80x = 12,218,789,715,469,978
  5. Step 5: Solve for x
    x = 12,218,789,715,469,978/94,754,522.80
  6. Step 6: Final answer
    x = 128,952,047.40

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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.