Home / 31,842,100.20-47,763,150.30-31,310,659.20

Finding the Fourth Proportional to 31,842,100.20, 47,763,150.30 and 31,310,659.20

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Solution

The fourth proportional to 31,842,100.20, 47,763,150.30 and 31,310,659.20 is: 46,965,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842,100.20 : 47,763,150.30 = 31,310,659.20 : x
  2. Step 2: Convert to fraction form
    31,842,100.20/47,763,150.30 = 31,310,659.20/x
  3. Step 3: Cross multiply
    31,842,100.20x = 47,763,150.30 × 31,310,659.20
  4. Step 4: Simplify right side
    31,842,100.20x = 1,495,495,721,361,677.75
  5. Step 5: Solve for x
    x = 1,495,495,721,361,677.75/31,842,100.20
  6. Step 6: Final answer
    x = 46,965,988.80

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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.