Home / 169,490,015.40-254,268,200.70-72,445,535.40

Finding the Fourth Proportional to 169,490,015.40, 254,268,200.70 and 72,445,535.40

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Solution

The fourth proportional to 169,490,015.40, 254,268,200.70 and 72,445,535.40 is: 108,682,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,490,015.40 : 254,268,200.70 = 72,445,535.40 : x
  2. Step 2: Convert to fraction form
    169,490,015.40/254,268,200.70 = 72,445,535.40/x
  3. Step 3: Cross multiply
    169,490,015.40x = 254,268,200.70 × 72,445,535.40
  4. Step 4: Simplify right side
    169,490,015.40x = 18,420,595,934,906,156
  5. Step 5: Solve for x
    x = 18,420,595,934,906,156/169,490,015.40
  6. Step 6: Final answer
    x = 108,682,484.28

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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.