Home / 84,191,040-116,183,635.20-45,559,872

Finding the Fourth Proportional to 84,191,040, 116,183,635.20 and 45,559,872

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Solution

The fourth proportional to 84,191,040, 116,183,635.20 and 45,559,872 is: 62,872,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,191,040 : 116,183,635.20 = 45,559,872 : x
  2. Step 2: Convert to fraction form
    84,191,040/116,183,635.20 = 45,559,872/x
  3. Step 3: Cross multiply
    84,191,040x = 116,183,635.20 × 45,559,872
  4. Step 4: Simplify right side
    84,191,040x = 5,293,311,548,206,695
  5. Step 5: Solve for x
    x = 5,293,311,548,206,695/84,191,040
  6. Step 6: Final answer
    x = 62,872,623.36

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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.