Home / 284,870,320.38-427,297,508.91-90,793,381.59

Finding the Fourth Proportional to 284,870,320.38, 427,297,508.91 and 90,793,381.59

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Solution

The fourth proportional to 284,870,320.38, 427,297,508.91 and 90,793,381.59 is: 136,187,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,870,320.38 : 427,297,508.91 = 90,793,381.59 : x
  2. Step 2: Convert to fraction form
    284,870,320.38/427,297,508.91 = 90,793,381.59/x
  3. Step 3: Cross multiply
    284,870,320.38x = 427,297,508.91 × 90,793,381.59
  4. Step 4: Simplify right side
    284,870,320.38x = 38,795,785,778,922,056
  5. Step 5: Solve for x
    x = 38,795,785,778,922,056/284,870,320.38
  6. Step 6: Final answer
    x = 136,187,531.67

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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.