Home / 163,580,872.34-225,740,532.28-93,016,487.69

Finding the Fourth Proportional to 163,580,872.34, 225,740,532.28 and 93,016,487.69

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Solution

The fourth proportional to 163,580,872.34, 225,740,532.28 and 93,016,487.69 is: 128,362,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,580,872.34 : 225,740,532.28 = 93,016,487.69 : x
  2. Step 2: Convert to fraction form
    163,580,872.34/225,740,532.28 = 93,016,487.69/x
  3. Step 3: Cross multiply
    163,580,872.34x = 225,740,532.28 × 93,016,487.69
  4. Step 4: Simplify right side
    163,580,872.34x = 20,997,591,441,491,584
  5. Step 5: Solve for x
    x = 20,997,591,441,491,584/163,580,872.34
  6. Step 6: Final answer
    x = 128,362,143.70

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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.