Home / 111,267,583.12-153,558,456.78-61,723,929.88

Finding the Fourth Proportional to 111,267,583.12, 153,558,456.78 and 61,723,929.88

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Solution

The fourth proportional to 111,267,583.12, 153,558,456.78 and 61,723,929.88 is: 85,184,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,267,583.12 : 153,558,456.78 = 61,723,929.88 : x
  2. Step 2: Convert to fraction form
    111,267,583.12/153,558,456.78 = 61,723,929.88/x
  3. Step 3: Cross multiply
    111,267,583.12x = 153,558,456.78 × 61,723,929.88
  4. Step 4: Simplify right side
    111,267,583.12x = 9,478,231,418,769,732
  5. Step 5: Solve for x
    x = 9,478,231,418,769,732/111,267,583.12
  6. Step 6: Final answer
    x = 85,184,122.39

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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.