Home / 81,968,108.14-122,952,690.69-32,788,070.02

Finding the Fourth Proportional to 81,968,108.14, 122,952,690.69 and 32,788,070.02

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Solution

The fourth proportional to 81,968,108.14, 122,952,690.69 and 32,788,070.02 is: 49,182,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,968,108.14 : 122,952,690.69 = 32,788,070.02 : x
  2. Step 2: Convert to fraction form
    81,968,108.14/122,952,690.69 = 32,788,070.02/x
  3. Step 3: Cross multiply
    81,968,108.14x = 122,952,690.69 × 32,788,070.02
  4. Step 4: Simplify right side
    81,968,108.14x = 4,031,381,431,521,857.50
  5. Step 5: Solve for x
    x = 4,031,381,431,521,857.50/81,968,108.14
  6. Step 6: Final answer
    x = 49,182,316.43

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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.