Home / 90,410,421.64-124,765,504.74-49,157,313.64

Finding the Fourth Proportional to 90,410,421.64, 124,765,504.74 and 49,157,313.64

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Solution

The fourth proportional to 90,410,421.64, 124,765,504.74 and 49,157,313.64 is: 67,836,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410,421.64 : 124,765,504.74 = 49,157,313.64 : x
  2. Step 2: Convert to fraction form
    90,410,421.64/124,765,504.74 = 49,157,313.64/x
  3. Step 3: Cross multiply
    90,410,421.64x = 124,765,504.74 × 49,157,313.64
  4. Step 4: Simplify right side
    90,410,421.64x = 6,133,137,047,957,086
  5. Step 5: Solve for x
    x = 6,133,137,047,957,086/90,410,421.64
  6. Step 6: Final answer
    x = 67,836,615.92

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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.