Home / 169,972,642.60-254,832,992.70-72,848,847.40

Finding the Fourth Proportional to 169,972,642.60, 254,832,992.70 and 72,848,847.40

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Solution

The fourth proportional to 169,972,642.60, 254,832,992.70 and 72,848,847.40 is: 109,219,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,972,642.60 : 254,832,992.70 = 72,848,847.40 : x
  2. Step 2: Convert to fraction form
    169,972,642.60/254,832,992.70 = 72,848,847.40/x
  3. Step 3: Cross multiply
    169,972,642.60x = 254,832,992.70 × 72,848,847.40
  4. Step 4: Simplify right side
    169,972,642.60x = 18,564,289,797,687,616
  5. Step 5: Solve for x
    x = 18,564,289,797,687,616/169,972,642.60
  6. Step 6: Final answer
    x = 109,219,280.90

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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.