Home / 124,724,348-172,120,713.92-68,973,540.80

Finding the Fourth Proportional to 124,724,348, 172,120,713.92 and 68,973,540.80

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Solution

The fourth proportional to 124,724,348, 172,120,713.92 and 68,973,540.80 is: 95,184,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,724,348 : 172,120,713.92 = 68,973,540.80 : x
  2. Step 2: Convert to fraction form
    124,724,348/172,120,713.92 = 68,973,540.80/x
  3. Step 3: Cross multiply
    124,724,348x = 172,120,713.92 × 68,973,540.80
  4. Step 4: Simplify right side
    124,724,348x = 11,871,775,084,086,246
  5. Step 5: Solve for x
    x = 11,871,775,084,086,246/124,724,348
  6. Step 6: Final answer
    x = 95,184,102.18

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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.