Home / 203,065,657.80-304,772,669.10-81,984,006.60

Finding the Fourth Proportional to 203,065,657.80, 304,772,669.10 and 81,984,006.60

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Solution

The fourth proportional to 203,065,657.80, 304,772,669.10 and 81,984,006.60 is: 123,046,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,065,657.80 : 304,772,669.10 = 81,984,006.60 : x
  2. Step 2: Convert to fraction form
    203,065,657.80/304,772,669.10 = 81,984,006.60/x
  3. Step 3: Cross multiply
    203,065,657.80x = 304,772,669.10 × 81,984,006.60
  4. Step 4: Simplify right side
    203,065,657.80x = 24,986,484,514,994,016
  5. Step 5: Solve for x
    x = 24,986,484,514,994,016/203,065,657.80
  6. Step 6: Final answer
    x = 123,046,332.83

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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.