Home / 69,006,421.80-103,421,715.30-36,673,813.80

Finding the Fourth Proportional to 69,006,421.80, 103,421,715.30 and 36,673,813.80

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Solution

The fourth proportional to 69,006,421.80, 103,421,715.30 and 36,673,813.80 is: 54,963,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,006,421.80 : 103,421,715.30 = 36,673,813.80 : x
  2. Step 2: Convert to fraction form
    69,006,421.80/103,421,715.30 = 36,673,813.80/x
  3. Step 3: Cross multiply
    69,006,421.80x = 103,421,715.30 × 36,673,813.80
  4. Step 4: Simplify right side
    69,006,421.80x = 3,792,868,729,788,810.50
  5. Step 5: Solve for x
    x = 3,792,868,729,788,810.50/69,006,421.80
  6. Step 6: Final answer
    x = 54,963,996.55

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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.