Home / 209,349,745.17-314,058,728.76-61,812,218.85

Finding the Fourth Proportional to 209,349,745.17, 314,058,728.76 and 61,812,218.85

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Solution

The fourth proportional to 209,349,745.17, 314,058,728.76 and 61,812,218.85 is: 92,728,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,349,745.17 : 314,058,728.76 = 61,812,218.85 : x
  2. Step 2: Convert to fraction form
    209,349,745.17/314,058,728.76 = 61,812,218.85/x
  3. Step 3: Cross multiply
    209,349,745.17x = 314,058,728.76 × 61,812,218.85
  4. Step 4: Simplify right side
    209,349,745.17x = 19,412,666,873,865,908
  5. Step 5: Solve for x
    x = 19,412,666,873,865,908/209,349,745.17
  6. Step 6: Final answer
    x = 92,728,399.83

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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.