Home / 115,669,013.36-159,623,226.56-65,432,158.56

Finding the Fourth Proportional to 115,669,013.36, 159,623,226.56 and 65,432,158.56

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Solution

The fourth proportional to 115,669,013.36, 159,623,226.56 and 65,432,158.56 is: 90,296,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,669,013.36 : 159,623,226.56 = 65,432,158.56 : x
  2. Step 2: Convert to fraction form
    115,669,013.36/159,623,226.56 = 65,432,158.56/x
  3. Step 3: Cross multiply
    115,669,013.36x = 159,623,226.56 × 65,432,158.56
  4. Step 4: Simplify right side
    115,669,013.36x = 10,444,492,270,132,724
  5. Step 5: Solve for x
    x = 10,444,492,270,132,724/115,669,013.36
  6. Step 6: Final answer
    x = 90,296,372.09

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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.