Home / 108,900,352.80-163,350,529.20-28,121,320.80

Finding the Fourth Proportional to 108,900,352.80, 163,350,529.20 and 28,121,320.80

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Solution

The fourth proportional to 108,900,352.80, 163,350,529.20 and 28,121,320.80 is: 42,181,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,900,352.80 : 163,350,529.20 = 28,121,320.80 : x
  2. Step 2: Convert to fraction form
    108,900,352.80/163,350,529.20 = 28,121,320.80/x
  3. Step 3: Cross multiply
    108,900,352.80x = 163,350,529.20 × 28,121,320.80
  4. Step 4: Simplify right side
    108,900,352.80x = 4,593,632,634,482,967
  5. Step 5: Solve for x
    x = 4,593,632,634,482,967/108,900,352.80
  6. Step 6: Final answer
    x = 42,181,981.20

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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.