Home / 154,472,800.13-213,228,401.75-102,278,650.92

Finding the Fourth Proportional to 154,472,800.13, 213,228,401.75 and 102,278,650.92

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Solution

The fourth proportional to 154,472,800.13, 213,228,401.75 and 102,278,650.92 is: 141,181,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,472,800.13 : 213,228,401.75 = 102,278,650.92 : x
  2. Step 2: Convert to fraction form
    154,472,800.13/213,228,401.75 = 102,278,650.92/x
  3. Step 3: Cross multiply
    154,472,800.13x = 213,228,401.75 × 102,278,650.92
  4. Step 4: Simplify right side
    154,472,800.13x = 21,808,713,268,817,768
  5. Step 5: Solve for x
    x = 21,808,713,268,817,768/154,472,800.13
  6. Step 6: Final answer
    x = 141,181,575.34

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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.