Home / 56,142,012.60-84,205,145.70-17,807,401.80

Finding the Fourth Proportional to 56,142,012.60, 84,205,145.70 and 17,807,401.80

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Solution

The fourth proportional to 56,142,012.60, 84,205,145.70 and 17,807,401.80 is: 26,708,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,142,012.60 : 84,205,145.70 = 17,807,401.80 : x
  2. Step 2: Convert to fraction form
    56,142,012.60/84,205,145.70 = 17,807,401.80/x
  3. Step 3: Cross multiply
    56,142,012.60x = 84,205,145.70 × 17,807,401.80
  4. Step 4: Simplify right side
    56,142,012.60x = 1,499,474,863,107,442.50
  5. Step 5: Solve for x
    x = 1,499,474,863,107,442.50/56,142,012.60
  6. Step 6: Final answer
    x = 26,708,605.44

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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.