Home / 56,709,640.40-85,064,460.60-26,420,565.20

Finding the Fourth Proportional to 56,709,640.40, 85,064,460.60 and 26,420,565.20

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Solution

The fourth proportional to 56,709,640.40, 85,064,460.60 and 26,420,565.20 is: 39,630,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,709,640.40 : 85,064,460.60 = 26,420,565.20 : x
  2. Step 2: Convert to fraction form
    56,709,640.40/85,064,460.60 = 26,420,565.20/x
  3. Step 3: Cross multiply
    56,709,640.40x = 85,064,460.60 × 26,420,565.20
  4. Step 4: Simplify right side
    56,709,640.40x = 2,247,451,127,485,131
  5. Step 5: Solve for x
    x = 2,247,451,127,485,131/56,709,640.40
  6. Step 6: Final answer
    x = 39,630,847.80

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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.