Home / 142,899,247.28-214,150,291.32-74,605,710.80

Finding the Fourth Proportional to 142,899,247.28, 214,150,291.32 and 74,605,710.80

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Solution

The fourth proportional to 142,899,247.28, 214,150,291.32 and 74,605,710.80 is: 111,804,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,899,247.28 : 214,150,291.32 = 74,605,710.80 : x
  2. Step 2: Convert to fraction form
    142,899,247.28/214,150,291.32 = 74,605,710.80/x
  3. Step 3: Cross multiply
    142,899,247.28x = 214,150,291.32 × 74,605,710.80
  4. Step 4: Simplify right side
    142,899,247.28x = 15,976,834,701,955,670
  5. Step 5: Solve for x
    x = 15,976,834,701,955,670/142,899,247.28
  6. Step 6: Final answer
    x = 111,804,890.55

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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.