Home / 144,608,178.72-199,558,481.04-78,528,041.76

Finding the Fourth Proportional to 144,608,178.72, 199,558,481.04 and 78,528,041.76

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Solution

The fourth proportional to 144,608,178.72, 199,558,481.04 and 78,528,041.76 is: 108,368,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,608,178.72 : 199,558,481.04 = 78,528,041.76 : x
  2. Step 2: Convert to fraction form
    144,608,178.72/199,558,481.04 = 78,528,041.76/x
  3. Step 3: Cross multiply
    144,608,178.72x = 199,558,481.04 × 78,528,041.76
  4. Step 4: Simplify right side
    144,608,178.72x = 15,670,936,732,671,288
  5. Step 5: Solve for x
    x = 15,670,936,732,671,288/144,608,178.72
  6. Step 6: Final answer
    x = 108,368,260.16

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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.