Home / 70,021,545.57-105,047,933.54-21,504,295.58

Finding the Fourth Proportional to 70,021,545.57, 105,047,933.54 and 21,504,295.58

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Solution

The fourth proportional to 70,021,545.57, 105,047,933.54 and 21,504,295.58 is: 32,261,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,021,545.57 : 105,047,933.54 = 21,504,295.58 : x
  2. Step 2: Convert to fraction form
    70,021,545.57/105,047,933.54 = 21,504,295.58/x
  3. Step 3: Cross multiply
    70,021,545.57x = 105,047,933.54 × 21,504,295.58
  4. Step 4: Simplify right side
    70,021,545.57x = 2,258,981,812,279,594.50
  5. Step 5: Solve for x
    x = 2,258,981,812,279,594.50/70,021,545.57
  6. Step 6: Final answer
    x = 32,261,238.94

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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.