Home / 69,014,901.15-103,537,048.37-20,492,894.43

Finding the Fourth Proportional to 69,014,901.15, 103,537,048.37 and 20,492,894.43

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Solution

The fourth proportional to 69,014,901.15, 103,537,048.37 and 20,492,894.43 is: 30,743,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,014,901.15 : 103,537,048.37 = 20,492,894.43 : x
  2. Step 2: Convert to fraction form
    69,014,901.15/103,537,048.37 = 20,492,894.43/x
  3. Step 3: Cross multiply
    69,014,901.15x = 103,537,048.37 × 20,492,894.43
  4. Step 4: Simplify right side
    69,014,901.15x = 2,121,773,801,737,749
  5. Step 5: Solve for x
    x = 2,121,773,801,737,749/69,014,901.15
  6. Step 6: Final answer
    x = 30,743,705.58

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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.