Home / 193,327,525.16-266,791,969.92-105,222,154.55

Finding the Fourth Proportional to 193,327,525.16, 266,791,969.92 and 105,222,154.55

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Solution

The fourth proportional to 193,327,525.16, 266,791,969.92 and 105,222,154.55 is: 145,206,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,327,525.16 : 266,791,969.92 = 105,222,154.55 : x
  2. Step 2: Convert to fraction form
    193,327,525.16/266,791,969.92 = 105,222,154.55/x
  3. Step 3: Cross multiply
    193,327,525.16x = 266,791,969.92 × 105,222,154.55
  4. Step 4: Simplify right side
    193,327,525.16x = 28,072,425,891,287,700
  5. Step 5: Solve for x
    x = 28,072,425,891,287,700/193,327,525.16
  6. Step 6: Final answer
    x = 145,206,565.22

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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.