Home / 146,859,338.40-220,289,007.60-70,331,834.40

Finding the Fourth Proportional to 146,859,338.40, 220,289,007.60 and 70,331,834.40

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Solution

The fourth proportional to 146,859,338.40, 220,289,007.60 and 70,331,834.40 is: 105,497,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,859,338.40 : 220,289,007.60 = 70,331,834.40 : x
  2. Step 2: Convert to fraction form
    146,859,338.40/220,289,007.60 = 70,331,834.40/x
  3. Step 3: Cross multiply
    146,859,338.40x = 220,289,007.60 × 70,331,834.40
  4. Step 4: Simplify right side
    146,859,338.40x = 15,493,330,002,663,542
  5. Step 5: Solve for x
    x = 15,493,330,002,663,542/146,859,338.40
  6. Step 6: Final answer
    x = 105,497,751.60

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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.