Home / 90,263,447.57-124,560,065.44-49,009,395.89

Finding the Fourth Proportional to 90,263,447.57, 124,560,065.44 and 49,009,395.89

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Solution

The fourth proportional to 90,263,447.57, 124,560,065.44 and 49,009,395.89 is: 67,631,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263,447.57 : 124,560,065.44 = 49,009,395.89 : x
  2. Step 2: Convert to fraction form
    90,263,447.57/124,560,065.44 = 49,009,395.89/x
  3. Step 3: Cross multiply
    90,263,447.57x = 124,560,065.44 × 49,009,395.89
  4. Step 4: Simplify right side
    90,263,447.57x = 6,104,613,559,233,267
  5. Step 5: Solve for x
    x = 6,104,613,559,233,267/90,263,447.57
  6. Step 6: Final answer
    x = 67,631,070.20

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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.