Home / 217,262,047.71-299,812,499.09-123,182,523.70

Finding the Fourth Proportional to 217,262,047.71, 299,812,499.09 and 123,182,523.70

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Solution

The fourth proportional to 217,262,047.71, 299,812,499.09 and 123,182,523.70 is: 169,986,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,262,047.71 : 299,812,499.09 = 123,182,523.70 : x
  2. Step 2: Convert to fraction form
    217,262,047.71/299,812,499.09 = 123,182,523.70/x
  3. Step 3: Cross multiply
    217,262,047.71x = 299,812,499.09 × 123,182,523.70
  4. Step 4: Simplify right side
    217,262,047.71x = 36,931,660,274,094,240
  5. Step 5: Solve for x
    x = 36,931,660,274,094,240/217,262,047.71
  6. Step 6: Final answer
    x = 169,986,708.05

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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.