Home / 58,440,020.80-87,660,031.20-28,206,932.80

Finding the Fourth Proportional to 58,440,020.80, 87,660,031.20 and 28,206,932.80

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Solution

The fourth proportional to 58,440,020.80, 87,660,031.20 and 28,206,932.80 is: 42,310,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,440,020.80 : 87,660,031.20 = 28,206,932.80 : x
  2. Step 2: Convert to fraction form
    58,440,020.80/87,660,031.20 = 28,206,932.80/x
  3. Step 3: Cross multiply
    58,440,020.80x = 87,660,031.20 × 28,206,932.80
  4. Step 4: Simplify right side
    58,440,020.80x = 2,472,620,609,304,303.50
  5. Step 5: Solve for x
    x = 2,472,620,609,304,303.50/58,440,020.80
  6. Step 6: Final answer
    x = 42,310,399.20

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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.