Home / 108,909,999.80-163,364,999.70-108,272,270.60

Finding the Fourth Proportional to 108,909,999.80, 163,364,999.70 and 108,272,270.60

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Solution

The fourth proportional to 108,909,999.80, 163,364,999.70 and 108,272,270.60 is: 162,408,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,909,999.80 : 163,364,999.70 = 108,272,270.60 : x
  2. Step 2: Convert to fraction form
    108,909,999.80/163,364,999.70 = 108,272,270.60/x
  3. Step 3: Cross multiply
    108,909,999.80x = 163,364,999.70 × 108,272,270.60
  4. Step 4: Simplify right side
    108,909,999.80x = 17,687,899,454,087,316
  5. Step 5: Solve for x
    x = 17,687,899,454,087,316/108,909,999.80
  6. Step 6: Final answer
    x = 162,408,405.90

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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.