Home / 310,031,920.80-464,716,105.20-105,370,365.60

Finding the Fourth Proportional to 310,031,920.80, 464,716,105.20 and 105,370,365.60

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Solution

The fourth proportional to 310,031,920.80, 464,716,105.20 and 105,370,365.60 is: 157,942,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,031,920.80 : 464,716,105.20 = 105,370,365.60 : x
  2. Step 2: Convert to fraction form
    310,031,920.80/464,716,105.20 = 105,370,365.60/x
  3. Step 3: Cross multiply
    310,031,920.80x = 464,716,105.20 × 105,370,365.60
  4. Step 4: Simplify right side
    310,031,920.80x = 48,967,305,905,132,056
  5. Step 5: Solve for x
    x = 48,967,305,905,132,056/310,031,920.80
  6. Step 6: Final answer
    x = 157,942,787.89

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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.