Home / 75,295,041.71-112,947,751-31,531,736.95

Finding the Fourth Proportional to 75,295,041.71, 112,947,751 and 31,531,736.95

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Solution

The fourth proportional to 75,295,041.71, 112,947,751 and 31,531,736.95 is: 47,299,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,295,041.71 : 112,947,751 = 31,531,736.95 : x
  2. Step 2: Convert to fraction form
    75,295,041.71/112,947,751 = 31,531,736.95/x
  3. Step 3: Cross multiply
    75,295,041.71x = 112,947,751 × 31,531,736.95
  4. Step 4: Simplify right side
    75,295,041.71x = 3,561,438,773,626,099.50
  5. Step 5: Solve for x
    x = 3,561,438,773,626,099.50/75,295,041.71
  6. Step 6: Final answer
    x = 47,299,778.22

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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.