Home / 73,292,121.15-109,938,118.56-18,704,702.28

Finding the Fourth Proportional to 73,292,121.15, 109,938,118.56 and 18,704,702.28

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Solution

The fourth proportional to 73,292,121.15, 109,938,118.56 and 18,704,702.28 is: 28,057,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292,121.15 : 109,938,118.56 = 18,704,702.28 : x
  2. Step 2: Convert to fraction form
    73,292,121.15/109,938,118.56 = 18,704,702.28/x
  3. Step 3: Cross multiply
    73,292,121.15x = 109,938,118.56 × 18,704,702.28
  4. Step 4: Simplify right side
    73,292,121.15x = 2,056,359,776,888,142.50
  5. Step 5: Solve for x
    x = 2,056,359,776,888,142.50/73,292,121.15
  6. Step 6: Final answer
    x = 28,057,037.30

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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.