Home / 169,972,641.60-254,832,991.20-72,848,846.40

Finding the Fourth Proportional to 169,972,641.60, 254,832,991.20 and 72,848,846.40

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Solution

The fourth proportional to 169,972,641.60, 254,832,991.20 and 72,848,846.40 is: 109,219,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,972,641.60 : 254,832,991.20 = 72,848,846.40 : x
  2. Step 2: Convert to fraction form
    169,972,641.60/254,832,991.20 = 72,848,846.40/x
  3. Step 3: Cross multiply
    169,972,641.60x = 254,832,991.20 × 72,848,846.40
  4. Step 4: Simplify right side
    169,972,641.60x = 18,564,289,433,581,352
  5. Step 5: Solve for x
    x = 18,564,289,433,581,352/169,972,641.60
  6. Step 6: Final answer
    x = 109,219,279.40

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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.