Home / 78,495,102.87-117,745,900.79-23,162,938.23

Finding the Fourth Proportional to 78,495,102.87, 117,745,900.79 and 23,162,938.23

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Solution

The fourth proportional to 78,495,102.87, 117,745,900.79 and 23,162,938.23 is: 34,745,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495,102.87 : 117,745,900.79 = 23,162,938.23 : x
  2. Step 2: Convert to fraction form
    78,495,102.87/117,745,900.79 = 23,162,938.23/x
  3. Step 3: Cross multiply
    78,495,102.87x = 117,745,900.79 × 23,162,938.23
  4. Step 4: Simplify right side
    78,495,102.87x = 2,727,341,026,718,663.50
  5. Step 5: Solve for x
    x = 2,727,341,026,718,663.50/78,495,102.87
  6. Step 6: Final answer
    x = 34,745,365.34

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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.