Home / 207,269,020.48-285,927,937.28-123,578,127.04

Finding the Fourth Proportional to 207,269,020.48, 285,927,937.28 and 123,578,127.04

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Solution

The fourth proportional to 207,269,020.48, 285,927,937.28 and 123,578,127.04 is: 170,476,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,269,020.48 : 285,927,937.28 = 123,578,127.04 : x
  2. Step 2: Convert to fraction form
    207,269,020.48/285,927,937.28 = 123,578,127.04/x
  3. Step 3: Cross multiply
    207,269,020.48x = 285,927,937.28 × 123,578,127.04
  4. Step 4: Simplify right side
    207,269,020.48x = 35,334,438,957,472,992
  5. Step 5: Solve for x
    x = 35,334,438,957,472,992/207,269,020.48
  6. Step 6: Final answer
    x = 170,476,219.15

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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.