Home / 55,775,608.80-76,972,209.15-30,996,839.82

Finding the Fourth Proportional to 55,775,608.80, 76,972,209.15 and 30,996,839.82

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Solution

The fourth proportional to 55,775,608.80, 76,972,209.15 and 30,996,839.82 is: 42,776,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,608.80 : 76,972,209.15 = 30,996,839.82 : x
  2. Step 2: Convert to fraction form
    55,775,608.80/76,972,209.15 = 30,996,839.82/x
  3. Step 3: Cross multiply
    55,775,608.80x = 76,972,209.15 × 30,996,839.82
  4. Step 4: Simplify right side
    55,775,608.80x = 2,385,895,237,614,088.50
  5. Step 5: Solve for x
    x = 2,385,895,237,614,088.50/55,775,608.80
  6. Step 6: Final answer
    x = 42,776,677.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.