Home / 80,315,560.80-120,473,341.20-26,455,874.40

Finding the Fourth Proportional to 80,315,560.80, 120,473,341.20 and 26,455,874.40

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Solution

The fourth proportional to 80,315,560.80, 120,473,341.20 and 26,455,874.40 is: 39,683,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,315,560.80 : 120,473,341.20 = 26,455,874.40 : x
  2. Step 2: Convert to fraction form
    80,315,560.80/120,473,341.20 = 26,455,874.40/x
  3. Step 3: Cross multiply
    80,315,560.80x = 120,473,341.20 × 26,455,874.40
  4. Step 4: Simplify right side
    80,315,560.80x = 3,187,227,583,335,545
  5. Step 5: Solve for x
    x = 3,187,227,583,335,545/80,315,560.80
  6. Step 6: Final answer
    x = 39,683,811.60

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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.