Home / 90,219,309.11-124,481,307.62-51,061,085.84

Finding the Fourth Proportional to 90,219,309.11, 124,481,307.62 and 51,061,085.84

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Solution

The fourth proportional to 90,219,309.11, 124,481,307.62 and 51,061,085.84 is: 70,452,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219,309.11 : 124,481,307.62 = 51,061,085.84 : x
  2. Step 2: Convert to fraction form
    90,219,309.11/124,481,307.62 = 51,061,085.84/x
  3. Step 3: Cross multiply
    90,219,309.11x = 124,481,307.62 × 51,061,085.84
  4. Step 4: Simplify right side
    90,219,309.11x = 6,356,150,734,107,643
  5. Step 5: Solve for x
    x = 6,356,150,734,107,643/90,219,309.11
  6. Step 6: Final answer
    x = 70,452,221.34

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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.