Home / 73,758,918.80-110,638,378.20-68,720,070.80

Finding the Fourth Proportional to 73,758,918.80, 110,638,378.20 and 68,720,070.80

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Solution

The fourth proportional to 73,758,918.80, 110,638,378.20 and 68,720,070.80 is: 103,080,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,758,918.80 : 110,638,378.20 = 68,720,070.80 : x
  2. Step 2: Convert to fraction form
    73,758,918.80/110,638,378.20 = 68,720,070.80/x
  3. Step 3: Cross multiply
    73,758,918.80x = 110,638,378.20 × 68,720,070.80
  4. Step 4: Simplify right side
    73,758,918.80x = 7,603,077,183,101,176
  5. Step 5: Solve for x
    x = 7,603,077,183,101,176/73,758,918.80
  6. Step 6: Final answer
    x = 103,080,106.20

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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.