Home / 75,043,407.40-112,584,518.50-43,945,327.68

Finding the Fourth Proportional to 75,043,407.40, 112,584,518.50 and 43,945,327.68

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Solution

The fourth proportional to 75,043,407.40, 112,584,518.50 and 43,945,327.68 is: 65,929,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,043,407.40 : 112,584,518.50 = 43,945,327.68 : x
  2. Step 2: Convert to fraction form
    75,043,407.40/112,584,518.50 = 43,945,327.68/x
  3. Step 3: Cross multiply
    75,043,407.40x = 112,584,518.50 × 43,945,327.68
  4. Step 4: Simplify right side
    75,043,407.40x = 4,947,563,557,177,522
  5. Step 5: Solve for x
    x = 4,947,563,557,177,522/75,043,407.40
  6. Step 6: Final answer
    x = 65,929,356.47

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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.