Home / 55,775,603.28-76,972,201.54-30,996,834.32

Finding the Fourth Proportional to 55,775,603.28, 76,972,201.54 and 30,996,834.32

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Solution

The fourth proportional to 55,775,603.28, 76,972,201.54 and 30,996,834.32 is: 42,776,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,603.28 : 76,972,201.54 = 30,996,834.32 : x
  2. Step 2: Convert to fraction form
    55,775,603.28/76,972,201.54 = 30,996,834.32/x
  3. Step 3: Cross multiply
    55,775,603.28x = 76,972,201.54 × 30,996,834.32
  4. Step 4: Simplify right side
    55,775,603.28x = 2,385,894,578,381,029
  5. Step 5: Solve for x
    x = 2,385,894,578,381,029/55,775,603.28
  6. Step 6: Final answer
    x = 42,776,670.05

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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.