Home / 302,005,785.91-416,719,273.23-169,838,900.32

Finding the Fourth Proportional to 302,005,785.91, 416,719,273.23 and 169,838,900.32

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Solution

The fourth proportional to 302,005,785.91, 416,719,273.23 and 169,838,900.32 is: 234,350,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,005,785.91 : 416,719,273.23 = 169,838,900.32 : x
  2. Step 2: Convert to fraction form
    302,005,785.91/416,719,273.23 = 169,838,900.32/x
  3. Step 3: Cross multiply
    302,005,785.91x = 416,719,273.23 × 169,838,900.32
  4. Step 4: Simplify right side
    302,005,785.91x = 70,775,143,107,532,816
  5. Step 5: Solve for x
    x = 70,775,143,107,532,816/302,005,785.91
  6. Step 6: Final answer
    x = 234,350,288.67

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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.