Home / 84,070,018.32-126,110,355.12-35,538,827.28

Finding the Fourth Proportional to 84,070,018.32, 126,110,355.12 and 35,538,827.28

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Solution

The fourth proportional to 84,070,018.32, 126,110,355.12 and 35,538,827.28 is: 53,310,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,070,018.32 : 126,110,355.12 = 35,538,827.28 : x
  2. Step 2: Convert to fraction form
    84,070,018.32/126,110,355.12 = 35,538,827.28/x
  3. Step 3: Cross multiply
    84,070,018.32x = 126,110,355.12 × 35,538,827.28
  4. Step 4: Simplify right side
    84,070,018.32x = 4,481,814,128,829,144
  5. Step 5: Solve for x
    x = 4,481,814,128,829,144/84,070,018.32
  6. Step 6: Final answer
    x = 53,310,493.07

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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.