Home / 80,657,621.40-120,986,432.10-26,804,933.40

Finding the Fourth Proportional to 80,657,621.40, 120,986,432.10 and 26,804,933.40

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Solution

The fourth proportional to 80,657,621.40, 120,986,432.10 and 26,804,933.40 is: 40,207,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,657,621.40 : 120,986,432.10 = 26,804,933.40 : x
  2. Step 2: Convert to fraction form
    80,657,621.40/120,986,432.10 = 26,804,933.40/x
  3. Step 3: Cross multiply
    80,657,621.40x = 120,986,432.10 × 26,804,933.40
  4. Step 4: Simplify right side
    80,657,621.40x = 3,243,033,254,744,122
  5. Step 5: Solve for x
    x = 3,243,033,254,744,122/80,657,621.40
  6. Step 6: Final answer
    x = 40,207,400.10

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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.