Home / 108,903,301.20-163,354,951.80-99,833,374.80

Finding the Fourth Proportional to 108,903,301.20, 163,354,951.80 and 99,833,374.80

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Solution

The fourth proportional to 108,903,301.20, 163,354,951.80 and 99,833,374.80 is: 149,750,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,903,301.20 : 163,354,951.80 = 99,833,374.80 : x
  2. Step 2: Convert to fraction form
    108,903,301.20/163,354,951.80 = 99,833,374.80/x
  3. Step 3: Cross multiply
    108,903,301.20x = 163,354,951.80 × 99,833,374.80
  4. Step 4: Simplify right side
    108,903,301.20x = 16,308,276,128,485,336
  5. Step 5: Solve for x
    x = 16,308,276,128,485,336/108,903,301.20
  6. Step 6: Final answer
    x = 149,750,062.20

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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.