Home / 141,813,840.55-195,718,145.76-83,125,814.47

Finding the Fourth Proportional to 141,813,840.55, 195,718,145.76 and 83,125,814.47

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Solution

The fourth proportional to 141,813,840.55, 195,718,145.76 and 83,125,814.47 is: 114,722,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,813,840.55 : 195,718,145.76 = 83,125,814.47 : x
  2. Step 2: Convert to fraction form
    141,813,840.55/195,718,145.76 = 83,125,814.47/x
  3. Step 3: Cross multiply
    141,813,840.55x = 195,718,145.76 × 83,125,814.47
  4. Step 4: Simplify right side
    141,813,840.55x = 16,269,230,272,858,176
  5. Step 5: Solve for x
    x = 16,269,230,272,858,176/141,813,840.55
  6. Step 6: Final answer
    x = 114,722,443.24

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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.