Home / 56,465,715.80-84,698,573.70-50,301,000.20

Finding the Fourth Proportional to 56,465,715.80, 84,698,573.70 and 50,301,000.20

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Solution

The fourth proportional to 56,465,715.80, 84,698,573.70 and 50,301,000.20 is: 75,451,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,465,715.80 : 84,698,573.70 = 50,301,000.20 : x
  2. Step 2: Convert to fraction form
    56,465,715.80/84,698,573.70 = 50,301,000.20/x
  3. Step 3: Cross multiply
    56,465,715.80x = 84,698,573.70 × 50,301,000.20
  4. Step 4: Simplify right side
    56,465,715.80x = 4,260,422,972,623,415
  5. Step 5: Solve for x
    x = 4,260,422,972,623,415/56,465,715.80
  6. Step 6: Final answer
    x = 75,451,500.30

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Double scale
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Similar ratio
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1.5x scale

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.