Home / 108,866,975.80-163,111,506.90-70,508,745.40

Finding the Fourth Proportional to 108,866,975.80, 163,111,506.90 and 70,508,745.40

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Solution

The fourth proportional to 108,866,975.80, 163,111,506.90 and 70,508,745.40 is: 105,640,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,975.80 : 163,111,506.90 = 70,508,745.40 : x
  2. Step 2: Convert to fraction form
    108,866,975.80/163,111,506.90 = 70,508,745.40/x
  3. Step 3: Cross multiply
    108,866,975.80x = 163,111,506.90 × 70,508,745.40
  4. Step 4: Simplify right side
    108,866,975.80x = 11,500,787,711,822,444
  5. Step 5: Solve for x
    x = 11,500,787,711,822,444/108,866,975.80
  6. Step 6: Final answer
    x = 105,640,738.41

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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.