Home / 74,206,856.40-111,315,814.20-26,331,579.60

Finding the Fourth Proportional to 74,206,856.40, 111,315,814.20 and 26,331,579.60

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Solution

The fourth proportional to 74,206,856.40, 111,315,814.20 and 26,331,579.60 is: 39,499,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,206,856.40 : 111,315,814.20 = 26,331,579.60 : x
  2. Step 2: Convert to fraction form
    74,206,856.40/111,315,814.20 = 26,331,579.60/x
  3. Step 3: Cross multiply
    74,206,856.40x = 111,315,814.20 × 26,331,579.60
  4. Step 4: Simplify right side
    74,206,856.40x = 2,931,121,222,346,110.50
  5. Step 5: Solve for x
    x = 2,931,121,222,346,110.50/74,206,856.40
  6. Step 6: Final answer
    x = 39,499,331.52

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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.