Home / 193,620,089.46-267,187,948.88-105,512,209.24

Finding the Fourth Proportional to 193,620,089.46, 267,187,948.88 and 105,512,209.24

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Solution

The fourth proportional to 193,620,089.46, 267,187,948.88 and 105,512,209.24 is: 145,602,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,620,089.46 : 267,187,948.88 = 105,512,209.24 : x
  2. Step 2: Convert to fraction form
    193,620,089.46/267,187,948.88 = 105,512,209.24/x
  3. Step 3: Cross multiply
    193,620,089.46x = 267,187,948.88 × 105,512,209.24
  4. Step 4: Simplify right side
    193,620,089.46x = 28,191,590,768,632,980
  5. Step 5: Solve for x
    x = 28,191,590,768,632,980/193,620,089.46
  6. Step 6: Final answer
    x = 145,602,612.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.