Home / 90,385,935.96-124,733,958.29-50,702,263.43

Finding the Fourth Proportional to 90,385,935.96, 124,733,958.29 and 50,702,263.43

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Solution

The fourth proportional to 90,385,935.96, 124,733,958.29 and 50,702,263.43 is: 69,969,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,385,935.96 : 124,733,958.29 = 50,702,263.43 : x
  2. Step 2: Convert to fraction form
    90,385,935.96/124,733,958.29 = 50,702,263.43/x
  3. Step 3: Cross multiply
    90,385,935.96x = 124,733,958.29 × 50,702,263.43
  4. Step 4: Simplify right side
    90,385,935.96x = 6,324,294,011,009,031
  5. Step 5: Solve for x
    x = 6,324,294,011,009,031/90,385,935.96
  6. Step 6: Final answer
    x = 69,969,890.16

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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.