Home / 143,400,502,382.66-197,910,046,212.57-81,616,094,018.78

Finding the Fourth Proportional to 143,400,502,382.66, 197,910,046,212.57 and 81,616,094,018.78

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Solution

The fourth proportional to 143,400,502,382.66, 197,910,046,212.57 and 81,616,094,018.78 is: 112,640,086,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,400,502,382.66 : 197,910,046,212.57 = 81,616,094,018.78 : x
  2. Step 2: Convert to fraction form
    143,400,502,382.66/197,910,046,212.57 = 81,616,094,018.78/x
  3. Step 3: Cross multiply
    143,400,502,382.66x = 197,910,046,212.57 × 81,616,094,018.78
  4. Step 4: Simplify right side
    143,400,502,382.66x = 16,152,644,938,946,207,285,248
  5. Step 5: Solve for x
    x = 16,152,644,938,946,207,285,248/143,400,502,382.66
  6. Step 6: Final answer
    x = 112,640,086,126.36

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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.