Home / 90,263,447.58-124,560,065.44-49,009,395.90

Finding the Fourth Proportional to 90,263,447.58, 124,560,065.44 and 49,009,395.90

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Solution

The fourth proportional to 90,263,447.58, 124,560,065.44 and 49,009,395.90 is: 67,631,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263,447.58 : 124,560,065.44 = 49,009,395.90 : x
  2. Step 2: Convert to fraction form
    90,263,447.58/124,560,065.44 = 49,009,395.90/x
  3. Step 3: Cross multiply
    90,263,447.58x = 124,560,065.44 × 49,009,395.90
  4. Step 4: Simplify right side
    90,263,447.58x = 6,104,613,560,478,867
  5. Step 5: Solve for x
    x = 6,104,613,560,478,867/90,263,447.58
  6. Step 6: Final answer
    x = 67,631,070.21

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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.