Home / 357,034,121.82-535,306,691.16-181,817,987.22

Finding the Fourth Proportional to 357,034,121.82, 535,306,691.16 and 181,817,987.22

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Solution

The fourth proportional to 357,034,121.82, 535,306,691.16 and 181,817,987.22 is: 272,602,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,034,121.82 : 535,306,691.16 = 181,817,987.22 : x
  2. Step 2: Convert to fraction form
    357,034,121.82/535,306,691.16 = 181,817,987.22/x
  3. Step 3: Cross multiply
    357,034,121.82x = 535,306,691.16 × 181,817,987.22
  4. Step 4: Simplify right side
    357,034,121.82x = 97,328,385,132,109,376
  5. Step 5: Solve for x
    x = 97,328,385,132,109,376/357,034,121.82
  6. Step 6: Final answer
    x = 272,602,474.62

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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.