Home / 115,590,389.54-159,537,911.40-68,573,560.23

Finding the Fourth Proportional to 115,590,389.54, 159,537,911.40 and 68,573,560.23

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Solution

The fourth proportional to 115,590,389.54, 159,537,911.40 and 68,573,560.23 is: 94,645,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,590,389.54 : 159,537,911.40 = 68,573,560.23 : x
  2. Step 2: Convert to fraction form
    115,590,389.54/159,537,911.40 = 68,573,560.23/x
  3. Step 3: Cross multiply
    115,590,389.54x = 159,537,911.40 × 68,573,560.23
  4. Step 4: Simplify right side
    115,590,389.54x = 10,940,082,576,356,304
  5. Step 5: Solve for x
    x = 10,940,082,576,356,304/115,590,389.54
  6. Step 6: Final answer
    x = 94,645,260.91

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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.