Home / 108,866,999.55-163,111,542.53-70,508,769.15

Finding the Fourth Proportional to 108,866,999.55, 163,111,542.53 and 70,508,769.15

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Solution

The fourth proportional to 108,866,999.55, 163,111,542.53 and 70,508,769.15 is: 105,640,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,999.55 : 163,111,542.53 = 70,508,769.15 : x
  2. Step 2: Convert to fraction form
    108,866,999.55/163,111,542.53 = 70,508,769.15/x
  3. Step 3: Cross multiply
    108,866,999.55x = 163,111,542.53 × 70,508,769.15
  4. Step 4: Simplify right side
    108,866,999.55x = 11,500,794,097,595,634
  5. Step 5: Solve for x
    x = 11,500,794,097,595,634/108,866,999.55
  6. Step 6: Final answer
    x = 105,640,774.02

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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.