Home / 145,451,570.24-200,727,406.19-79,376,324.75

Finding the Fourth Proportional to 145,451,570.24, 200,727,406.19 and 79,376,324.75

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Solution

The fourth proportional to 145,451,570.24, 200,727,406.19 and 79,376,324.75 is: 109,541,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451,570.24 : 200,727,406.19 = 79,376,324.75 : x
  2. Step 2: Convert to fraction form
    145,451,570.24/200,727,406.19 = 79,376,324.75/x
  3. Step 3: Cross multiply
    145,451,570.24x = 200,727,406.19 × 79,376,324.75
  4. Step 4: Simplify right side
    145,451,570.24x = 15,933,003,780,139,808
  5. Step 5: Solve for x
    x = 15,933,003,780,139,808/145,451,570.24
  6. Step 6: Final answer
    x = 109,541,641.62

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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.