Home / 69,727,385.40-104,595,014.70-21,206,822.10

Finding the Fourth Proportional to 69,727,385.40, 104,595,014.70 and 21,206,822.10

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Solution

The fourth proportional to 69,727,385.40, 104,595,014.70 and 21,206,822.10 is: 31,811,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,727,385.40 : 104,595,014.70 = 21,206,822.10 : x
  2. Step 2: Convert to fraction form
    69,727,385.40/104,595,014.70 = 21,206,822.10/x
  3. Step 3: Cross multiply
    69,727,385.40x = 104,595,014.70 × 21,206,822.10
  4. Step 4: Simplify right side
    69,727,385.40x = 2,218,127,869,289,785
  5. Step 5: Solve for x
    x = 2,218,127,869,289,785/69,727,385.40
  6. Step 6: Final answer
    x = 31,811,430.42

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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.