Home / 70,132,838.20-96,783,036.66-39,192,999.40

Finding the Fourth Proportional to 70,132,838.20, 96,783,036.66 and 39,192,999.40

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Solution

The fourth proportional to 70,132,838.20, 96,783,036.66 and 39,192,999.40 is: 54,086,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,132,838.20 : 96,783,036.66 = 39,192,999.40 : x
  2. Step 2: Convert to fraction form
    70,132,838.20/96,783,036.66 = 39,192,999.40/x
  3. Step 3: Cross multiply
    70,132,838.20x = 96,783,036.66 × 39,192,999.40
  4. Step 4: Simplify right side
    70,132,838.20x = 3,793,217,497,745,557.50
  5. Step 5: Solve for x
    x = 3,793,217,497,745,557.50/70,132,838.20
  6. Step 6: Final answer
    x = 54,086,182.67

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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.