Home / 90,263,694.60-124,560,405.18-49,009,642.92

Finding the Fourth Proportional to 90,263,694.60, 124,560,405.18 and 49,009,642.92

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Solution

The fourth proportional to 90,263,694.60, 124,560,405.18 and 49,009,642.92 is: 67,631,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263,694.60 : 124,560,405.18 = 49,009,642.92 : x
  2. Step 2: Convert to fraction form
    90,263,694.60/124,560,405.18 = 49,009,642.92/x
  3. Step 3: Cross multiply
    90,263,694.60x = 124,560,405.18 × 49,009,642.92
  4. Step 4: Simplify right side
    90,263,694.60x = 6,104,660,979,842,319
  5. Step 5: Solve for x
    x = 6,104,660,979,842,319/90,263,694.60
  6. Step 6: Final answer
    x = 67,631,410.47

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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.