Home / 152,393,398.46-210,302,729.88-82,778,833.88

Finding the Fourth Proportional to 152,393,398.46, 210,302,729.88 and 82,778,833.88

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Solution

The fourth proportional to 152,393,398.46, 210,302,729.88 and 82,778,833.88 is: 114,234,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,393,398.46 : 210,302,729.88 = 82,778,833.88 : x
  2. Step 2: Convert to fraction form
    152,393,398.46/210,302,729.88 = 82,778,833.88/x
  3. Step 3: Cross multiply
    152,393,398.46x = 210,302,729.88 × 82,778,833.88
  4. Step 4: Simplify right side
    152,393,398.46x = 17,408,614,741,247,030
  5. Step 5: Solve for x
    x = 17,408,614,741,247,030/152,393,398.46
  6. Step 6: Final answer
    x = 114,234,703.85

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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.