Home / 109,376,005.20-164,064,007.80-91,592,811.60

Finding the Fourth Proportional to 109,376,005.20, 164,064,007.80 and 91,592,811.60

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Solution

The fourth proportional to 109,376,005.20, 164,064,007.80 and 91,592,811.60 is: 137,389,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,376,005.20 : 164,064,007.80 = 91,592,811.60 : x
  2. Step 2: Convert to fraction form
    109,376,005.20/164,064,007.80 = 91,592,811.60/x
  3. Step 3: Cross multiply
    109,376,005.20x = 164,064,007.80 × 91,592,811.60
  4. Step 4: Simplify right side
    109,376,005.20x = 15,027,083,756,766,330
  5. Step 5: Solve for x
    x = 15,027,083,756,766,330/109,376,005.20
  6. Step 6: Final answer
    x = 137,389,217.40

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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.