Home / 90,263,447.07-124,560,064.76-49,009,395.39

Finding the Fourth Proportional to 90,263,447.07, 124,560,064.76 and 49,009,395.39

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Solution

The fourth proportional to 90,263,447.07, 124,560,064.76 and 49,009,395.39 is: 67,631,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263,447.07 : 124,560,064.76 = 49,009,395.39 : x
  2. Step 2: Convert to fraction form
    90,263,447.07/124,560,064.76 = 49,009,395.39/x
  3. Step 3: Cross multiply
    90,263,447.07x = 124,560,064.76 × 49,009,395.39
  4. Step 4: Simplify right side
    90,263,447.07x = 6,104,613,463,381,798
  5. Step 5: Solve for x
    x = 6,104,613,463,381,798/90,263,447.07
  6. Step 6: Final answer
    x = 67,631,069.51

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1.5x scale

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.