Home / 68,729,857.86-94,844,653.05-37,788,186.18

Finding the Fourth Proportional to 68,729,857.86, 94,844,653.05 and 37,788,186.18

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Solution

The fourth proportional to 68,729,857.86, 94,844,653.05 and 37,788,186.18 is: 52,146,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,729,857.86 : 94,844,653.05 = 37,788,186.18 : x
  2. Step 2: Convert to fraction form
    68,729,857.86/94,844,653.05 = 37,788,186.18/x
  3. Step 3: Cross multiply
    68,729,857.86x = 94,844,653.05 × 37,788,186.18
  4. Step 4: Simplify right side
    68,729,857.86x = 3,584,007,407,630,904.50
  5. Step 5: Solve for x
    x = 3,584,007,407,630,904.50/68,729,857.86
  6. Step 6: Final answer
    x = 52,146,294.48

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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.