Home / 231,967,560.34-348,087,021.99-86,501,617.30

Finding the Fourth Proportional to 231,967,560.34, 348,087,021.99 and 86,501,617.30

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Solution

The fourth proportional to 231,967,560.34, 348,087,021.99 and 86,501,617.30 is: 129,803,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,967,560.34 : 348,087,021.99 = 86,501,617.30 : x
  2. Step 2: Convert to fraction form
    231,967,560.34/348,087,021.99 = 86,501,617.30/x
  3. Step 3: Cross multiply
    231,967,560.34x = 348,087,021.99 × 86,501,617.30
  4. Step 4: Simplify right side
    231,967,560.34x = 30,110,090,363,275,664
  5. Step 5: Solve for x
    x = 30,110,090,363,275,664/231,967,560.34
  6. Step 6: Final answer
    x = 129,803,022.11

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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.