Home / 56,709,087.40-85,063,631.10-26,420,012.20

Finding the Fourth Proportional to 56,709,087.40, 85,063,631.10 and 26,420,012.20

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Solution

The fourth proportional to 56,709,087.40, 85,063,631.10 and 26,420,012.20 is: 39,630,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,709,087.40 : 85,063,631.10 = 26,420,012.20 : x
  2. Step 2: Convert to fraction form
    56,709,087.40/85,063,631.10 = 26,420,012.20/x
  3. Step 3: Cross multiply
    56,709,087.40x = 85,063,631.10 × 26,420,012.20
  4. Step 4: Simplify right side
    56,709,087.40x = 2,247,382,171,438,299.25
  5. Step 5: Solve for x
    x = 2,247,382,171,438,299.25/56,709,087.40
  6. Step 6: Final answer
    x = 39,630,018.30

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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.