Home / 144,965,210.36-200,049,403.02-78,883,454.84

Finding the Fourth Proportional to 144,965,210.36, 200,049,403.02 and 78,883,454.84

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Solution

The fourth proportional to 144,965,210.36, 200,049,403.02 and 78,883,454.84 is: 108,857,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,965,210.36 : 200,049,403.02 = 78,883,454.84 : x
  2. Step 2: Convert to fraction form
    144,965,210.36/200,049,403.02 = 78,883,454.84/x
  3. Step 3: Cross multiply
    144,965,210.36x = 200,049,403.02 × 78,883,454.84
  4. Step 4: Simplify right side
    144,965,210.36x = 15,780,588,048,897,132
  5. Step 5: Solve for x
    x = 15,780,588,048,897,132/144,965,210.36
  6. Step 6: Final answer
    x = 108,857,759.80

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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.