Home / 144,229,998.48-199,037,572.68-78,150,444.72

Finding the Fourth Proportional to 144,229,998.48, 199,037,572.68 and 78,150,444.72

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Solution

The fourth proportional to 144,229,998.48, 199,037,572.68 and 78,150,444.72 is: 107,847,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,229,998.48 : 199,037,572.68 = 78,150,444.72 : x
  2. Step 2: Convert to fraction form
    144,229,998.48/199,037,572.68 = 78,150,444.72/x
  3. Step 3: Cross multiply
    144,229,998.48x = 199,037,572.68 × 78,150,444.72
  4. Step 4: Simplify right side
    144,229,998.48x = 15,554,874,820,931,322
  5. Step 5: Solve for x
    x = 15,554,874,820,931,322/144,229,998.48
  6. Step 6: Final answer
    x = 107,847,708.42

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1.5x scale

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.