Home / 254,976,852.19-381,673,569.10-138,101,925.87

Finding the Fourth Proportional to 254,976,852.19, 381,673,569.10 and 138,101,925.87

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Solution

The fourth proportional to 254,976,852.19, 381,673,569.10 and 138,101,925.87 is: 206,724,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,976,852.19 : 381,673,569.10 = 138,101,925.87 : x
  2. Step 2: Convert to fraction form
    254,976,852.19/381,673,569.10 = 138,101,925.87/x
  3. Step 3: Cross multiply
    254,976,852.19x = 381,673,569.10 × 138,101,925.87
  4. Step 4: Simplify right side
    254,976,852.19x = 52,709,854,944,132,904
  5. Step 5: Solve for x
    x = 52,709,854,944,132,904/254,976,852.19
  6. Step 6: Final answer
    x = 206,724,079.03

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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.