Home / 310,019,905.29-464,868,386.60-146,213,679.79

Finding the Fourth Proportional to 310,019,905.29, 464,868,386.60 and 146,213,679.79

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Solution

The fourth proportional to 310,019,905.29, 464,868,386.60 and 146,213,679.79 is: 219,244,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,019,905.29 : 464,868,386.60 = 146,213,679.79 : x
  2. Step 2: Convert to fraction form
    310,019,905.29/464,868,386.60 = 146,213,679.79/x
  3. Step 3: Cross multiply
    310,019,905.29x = 464,868,386.60 × 146,213,679.79
  4. Step 4: Simplify right side
    310,019,905.29x = 67,970,117,422,826,328
  5. Step 5: Solve for x
    x = 67,970,117,422,826,328/310,019,905.29
  6. Step 6: Final answer
    x = 219,244,365.48

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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.