Home / 302,787,811.71-454,181,718.18-72,756,896.67

Finding the Fourth Proportional to 302,787,811.71, 454,181,718.18 and 72,756,896.67

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Solution

The fourth proportional to 302,787,811.71, 454,181,718.18 and 72,756,896.67 is: 109,135,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,787,811.71 : 454,181,718.18 = 72,756,896.67 : x
  2. Step 2: Convert to fraction form
    302,787,811.71/454,181,718.18 = 72,756,896.67/x
  3. Step 3: Cross multiply
    302,787,811.71x = 454,181,718.18 × 72,756,896.67
  4. Step 4: Simplify right side
    302,787,811.71x = 33,044,852,339,025,320
  5. Step 5: Solve for x
    x = 33,044,852,339,025,320/302,787,811.71
  6. Step 6: Final answer
    x = 109,135,345.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.