Home / 143,400,502,364.54-197,910,046,187.55-81,616,094,000.71

Finding the Fourth Proportional to 143,400,502,364.54, 197,910,046,187.55 and 81,616,094,000.71

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Solution

The fourth proportional to 143,400,502,364.54, 197,910,046,187.55 and 81,616,094,000.71 is: 112,640,086,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,400,502,364.54 : 197,910,046,187.55 = 81,616,094,000.71 : x
  2. Step 2: Convert to fraction form
    143,400,502,364.54/197,910,046,187.55 = 81,616,094,000.71/x
  3. Step 3: Cross multiply
    143,400,502,364.54x = 197,910,046,187.55 × 81,616,094,000.71
  4. Step 4: Simplify right side
    143,400,502,364.54x = 16,152,644,933,327,939,174,400
  5. Step 5: Solve for x
    x = 16,152,644,933,327,939,174,400/143,400,502,364.54
  6. Step 6: Final answer
    x = 112,640,086,101.42

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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.