Home / 55,775,596.54-76,972,192.40-30,996,827.76

Finding the Fourth Proportional to 55,775,596.54, 76,972,192.40 and 30,996,827.76

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Solution

The fourth proportional to 55,775,596.54, 76,972,192.40 and 30,996,827.76 is: 42,776,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,596.54 : 76,972,192.40 = 30,996,827.76 : x
  2. Step 2: Convert to fraction form
    55,775,596.54/76,972,192.40 = 30,996,827.76/x
  3. Step 3: Cross multiply
    55,775,596.54x = 76,972,192.40 × 30,996,827.76
  4. Step 4: Simplify right side
    55,775,596.54x = 2,385,893,790,247,319
  5. Step 5: Solve for x
    x = 2,385,893,790,247,319/55,775,596.54
  6. Step 6: Final answer
    x = 42,776,661.09

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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.