Home / 55,775,572.47-76,972,159.14-30,996,803.70

Finding the Fourth Proportional to 55,775,572.47, 76,972,159.14 and 30,996,803.70

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Solution

The fourth proportional to 55,775,572.47, 76,972,159.14 and 30,996,803.70 is: 42,776,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,572.47 : 76,972,159.14 = 30,996,803.70 : x
  2. Step 2: Convert to fraction form
    55,775,572.47/76,972,159.14 = 30,996,803.70/x
  3. Step 3: Cross multiply
    55,775,572.47x = 76,972,159.14 × 30,996,803.70
  4. Step 4: Simplify right side
    55,775,572.47x = 2,385,890,907,227,741
  5. Step 5: Solve for x
    x = 2,385,890,907,227,741/55,775,572.47
  6. Step 6: Final answer
    x = 42,776,627.86

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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.