Home / 268,272,032.70-402,408,049.05-76,795,808.70

Finding the Fourth Proportional to 268,272,032.70, 402,408,049.05 and 76,795,808.70

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Solution

The fourth proportional to 268,272,032.70, 402,408,049.05 and 76,795,808.70 is: 115,193,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,032.70 : 402,408,049.05 = 76,795,808.70 : x
  2. Step 2: Convert to fraction form
    268,272,032.70/402,408,049.05 = 76,795,808.70/x
  3. Step 3: Cross multiply
    268,272,032.70x = 402,408,049.05 × 76,795,808.70
  4. Step 4: Simplify right side
    268,272,032.70x = 30,903,251,554,184,020
  5. Step 5: Solve for x
    x = 30,903,251,554,184,020/268,272,032.70
  6. Step 6: Final answer
    x = 115,193,713.05

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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.