Home / 170,806,350.80-256,242,703.80-73,761,870.80

Finding the Fourth Proportional to 170,806,350.80, 256,242,703.80 and 73,761,870.80

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Solution

The fourth proportional to 170,806,350.80, 256,242,703.80 and 73,761,870.80 is: 110,657,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,806,350.80 : 256,242,703.80 = 73,761,870.80 : x
  2. Step 2: Convert to fraction form
    170,806,350.80/256,242,703.80 = 73,761,870.80/x
  3. Step 3: Cross multiply
    170,806,350.80x = 256,242,703.80 × 73,761,870.80
  4. Step 4: Simplify right side
    170,806,350.80x = 18,900,941,211,138,268
  5. Step 5: Solve for x
    x = 18,900,941,211,138,268/170,806,350.80
  6. Step 6: Final answer
    x = 110,657,133.78

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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.