Home / 115,622,960.41-159,569,776.10-63,422,085.11

Finding the Fourth Proportional to 115,622,960.41, 159,569,776.10 and 63,422,085.11

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Solution

The fourth proportional to 115,622,960.41, 159,569,776.10 and 63,422,085.11 is: 87,528,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,622,960.41 : 159,569,776.10 = 63,422,085.11 : x
  2. Step 2: Convert to fraction form
    115,622,960.41/159,569,776.10 = 63,422,085.11/x
  3. Step 3: Cross multiply
    115,622,960.41x = 159,569,776.10 × 63,422,085.11
  4. Step 4: Simplify right side
    115,622,960.41x = 10,120,247,920,797,844
  5. Step 5: Solve for x
    x = 10,120,247,920,797,844/115,622,960.41
  6. Step 6: Final answer
    x = 87,528,012.47

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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.