Home / 108,727,289.20-163,090,933.80-103,688,441.20

Finding the Fourth Proportional to 108,727,289.20, 163,090,933.80 and 103,688,441.20

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Solution

The fourth proportional to 108,727,289.20, 163,090,933.80 and 103,688,441.20 is: 155,532,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727,289.20 : 163,090,933.80 = 103,688,441.20 : x
  2. Step 2: Convert to fraction form
    108,727,289.20/163,090,933.80 = 103,688,441.20/x
  3. Step 3: Cross multiply
    108,727,289.20x = 163,090,933.80 × 103,688,441.20
  4. Step 4: Simplify right side
    108,727,289.20x = 16,910,644,699,574,394
  5. Step 5: Solve for x
    x = 16,910,644,699,574,394/108,727,289.20
  6. Step 6: Final answer
    x = 155,532,661.80

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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.