Home / 80,657,665.60-120,986,498.40-26,804,977.60

Finding the Fourth Proportional to 80,657,665.60, 120,986,498.40 and 26,804,977.60

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Solution

The fourth proportional to 80,657,665.60, 120,986,498.40 and 26,804,977.60 is: 40,207,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,657,665.60 : 120,986,498.40 = 26,804,977.60 : x
  2. Step 2: Convert to fraction form
    80,657,665.60/120,986,498.40 = 26,804,977.60/x
  3. Step 3: Cross multiply
    80,657,665.60x = 120,986,498.40 × 26,804,977.60
  4. Step 4: Simplify right side
    80,657,665.60x = 3,243,040,379,514,436
  5. Step 5: Solve for x
    x = 3,243,040,379,514,436/80,657,665.60
  6. Step 6: Final answer
    x = 40,207,466.40

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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.