Home / 52,186,194.84-72,014,975.85-28,982,816.46

Finding the Fourth Proportional to 52,186,194.84, 72,014,975.85 and 28,982,816.46

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Solution

The fourth proportional to 52,186,194.84, 72,014,975.85 and 28,982,816.46 is: 39,995,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186,194.84 : 72,014,975.85 = 28,982,816.46 : x
  2. Step 2: Convert to fraction form
    52,186,194.84/72,014,975.85 = 28,982,816.46/x
  3. Step 3: Cross multiply
    52,186,194.84x = 72,014,975.85 × 28,982,816.46
  4. Step 4: Simplify right side
    52,186,194.84x = 2,087,196,827,431,882.50
  5. Step 5: Solve for x
    x = 2,087,196,827,431,882.50/52,186,194.84
  6. Step 6: Final answer
    x = 39,995,190.95

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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.