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Finding the Fourth Proportional to 184,393,689.90, 276,604,531.65 and 54,991,200.30

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Solution

The fourth proportional to 184,393,689.90, 276,604,531.65 and 54,991,200.30 is: 82,490,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,393,689.90 : 276,604,531.65 = 54,991,200.30 : x
  2. Step 2: Convert to fraction form
    184,393,689.90/276,604,531.65 = 54,991,200.30/x
  3. Step 3: Cross multiply
    184,393,689.90x = 276,604,531.65 × 54,991,200.30
  4. Step 4: Simplify right side
    184,393,689.90x = 15,210,815,203,852,838
  5. Step 5: Solve for x
    x = 15,210,815,203,852,838/184,393,689.90
  6. Step 6: Final answer
    x = 82,490,974.68

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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.