Home / 223,984,985.74-309,092,512.08-123,513,369.10

Finding the Fourth Proportional to 223,984,985.74, 309,092,512.08 and 123,513,369.10

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Solution

The fourth proportional to 223,984,985.74, 309,092,512.08 and 123,513,369.10 is: 170,444,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,984,985.74 : 309,092,512.08 = 123,513,369.10 : x
  2. Step 2: Convert to fraction form
    223,984,985.74/309,092,512.08 = 123,513,369.10/x
  3. Step 3: Cross multiply
    223,984,985.74x = 309,092,512.08 × 123,513,369.10
  4. Step 4: Simplify right side
    223,984,985.74x = 38,177,057,528,972,048
  5. Step 5: Solve for x
    x = 38,177,057,528,972,048/223,984,985.74
  6. Step 6: Final answer
    x = 170,444,717.10

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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.