Home / 357,034,121.32-535,306,690.42-181,817,986.72

Finding the Fourth Proportional to 357,034,121.32, 535,306,690.42 and 181,817,986.72

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Solution

The fourth proportional to 357,034,121.32, 535,306,690.42 and 181,817,986.72 is: 272,602,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,034,121.32 : 535,306,690.42 = 181,817,986.72 : x
  2. Step 2: Convert to fraction form
    357,034,121.32/535,306,690.42 = 181,817,986.72/x
  3. Step 3: Cross multiply
    357,034,121.32x = 535,306,690.42 × 181,817,986.72
  4. Step 4: Simplify right side
    357,034,121.32x = 97,328,384,729,910,720
  5. Step 5: Solve for x
    x = 97,328,384,729,910,720/357,034,121.32
  6. Step 6: Final answer
    x = 272,602,473.88

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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.