Home / 290,303,787.48-400,619,050.10-159,923,595.48

Finding the Fourth Proportional to 290,303,787.48, 400,619,050.10 and 159,923,595.48

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Solution

The fourth proportional to 290,303,787.48, 400,619,050.10 and 159,923,595.48 is: 220,694,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,303,787.48 : 400,619,050.10 = 159,923,595.48 : x
  2. Step 2: Convert to fraction form
    290,303,787.48/400,619,050.10 = 159,923,595.48/x
  3. Step 3: Cross multiply
    290,303,787.48x = 400,619,050.10 × 159,923,595.48
  4. Step 4: Simplify right side
    290,303,787.48x = 64,068,438,906,971,544
  5. Step 5: Solve for x
    x = 64,068,438,906,971,544/290,303,787.48
  6. Step 6: Final answer
    x = 220,694,464.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.