Home / 108,866,974.80-163,111,505.40-70,508,744.40

Finding the Fourth Proportional to 108,866,974.80, 163,111,505.40 and 70,508,744.40

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Solution

The fourth proportional to 108,866,974.80, 163,111,505.40 and 70,508,744.40 is: 105,640,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,974.80 : 163,111,505.40 = 70,508,744.40 : x
  2. Step 2: Convert to fraction form
    108,866,974.80/163,111,505.40 = 70,508,744.40/x
  3. Step 3: Cross multiply
    108,866,974.80x = 163,111,505.40 × 70,508,744.40
  4. Step 4: Simplify right side
    108,866,974.80x = 11,500,787,442,947,822
  5. Step 5: Solve for x
    x = 11,500,787,442,947,822/108,866,974.80
  6. Step 6: Final answer
    x = 105,640,736.91

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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.