Home / 80,657,605.40-120,986,408.10-26,804,917.40

Finding the Fourth Proportional to 80,657,605.40, 120,986,408.10 and 26,804,917.40

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Solution

The fourth proportional to 80,657,605.40, 120,986,408.10 and 26,804,917.40 is: 40,207,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,657,605.40 : 120,986,408.10 = 26,804,917.40 : x
  2. Step 2: Convert to fraction form
    80,657,605.40/120,986,408.10 = 26,804,917.40/x
  3. Step 3: Cross multiply
    80,657,605.40x = 120,986,408.10 × 26,804,917.40
  4. Step 4: Simplify right side
    80,657,605.40x = 3,243,030,675,643,190.50
  5. Step 5: Solve for x
    x = 3,243,030,675,643,190.50/80,657,605.40
  6. Step 6: Final answer
    x = 40,207,376.10

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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.