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Finding the Fourth Proportional to 184,392,432.40, 276,602,645.40 and 54,989,942.80

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Solution

The fourth proportional to 184,392,432.40, 276,602,645.40 and 54,989,942.80 is: 82,489,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,392,432.40 : 276,602,645.40 = 54,989,942.80 : x
  2. Step 2: Convert to fraction form
    184,392,432.40/276,602,645.40 = 54,989,942.80/x
  3. Step 3: Cross multiply
    184,392,432.40x = 276,602,645.40 × 54,989,942.80
  4. Step 4: Simplify right side
    184,392,432.40x = 15,210,363,648,874,680
  5. Step 5: Solve for x
    x = 15,210,363,648,874,680/184,392,432.40
  6. Step 6: Final answer
    x = 82,489,088.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.