Home / 74,807,875.60-112,022,856.60-49,109,750.80

Finding the Fourth Proportional to 74,807,875.60, 112,022,856.60 and 49,109,750.80

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Solution

The fourth proportional to 74,807,875.60, 112,022,856.60 and 49,109,750.80 is: 73,540,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,807,875.60 : 112,022,856.60 = 49,109,750.80 : x
  2. Step 2: Convert to fraction form
    74,807,875.60/112,022,856.60 = 49,109,750.80/x
  3. Step 3: Cross multiply
    74,807,875.60x = 112,022,856.60 × 49,109,750.80
  4. Step 4: Simplify right side
    74,807,875.60x = 5,501,414,571,530,135
  5. Step 5: Solve for x
    x = 5,501,414,571,530,135/74,807,875.60
  6. Step 6: Final answer
    x = 73,540,580.15

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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.