Home / 143,018,478,960.49-214,453,228,434.87-67,451,339,821.91

Finding the Fourth Proportional to 143,018,478,960.49, 214,453,228,434.87 and 67,451,339,821.91

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Solution

The fourth proportional to 143,018,478,960.49, 214,453,228,434.87 and 67,451,339,821.91 is: 101,141,878,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,018,478,960.49 : 214,453,228,434.87 = 67,451,339,821.91 : x
  2. Step 2: Convert to fraction form
    143,018,478,960.49/214,453,228,434.87 = 67,451,339,821.91/x
  3. Step 3: Cross multiply
    143,018,478,960.49x = 214,453,228,434.87 × 67,451,339,821.91
  4. Step 4: Simplify right side
    143,018,478,960.49x = 14,465,157,587,066,752,598,016
  5. Step 5: Solve for x
    x = 14,465,157,587,066,752,598,016/143,018,478,960.49
  6. Step 6: Final answer
    x = 101,141,878,253.81

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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.