Home / 69,122,500.70-103,683,751.05-43,480,363.10

Finding the Fourth Proportional to 69,122,500.70, 103,683,751.05 and 43,480,363.10

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Solution

The fourth proportional to 69,122,500.70, 103,683,751.05 and 43,480,363.10 is: 65,220,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,122,500.70 : 103,683,751.05 = 43,480,363.10 : x
  2. Step 2: Convert to fraction form
    69,122,500.70/103,683,751.05 = 43,480,363.10/x
  3. Step 3: Cross multiply
    69,122,500.70x = 103,683,751.05 × 43,480,363.10
  4. Step 4: Simplify right side
    69,122,500.70x = 4,508,207,143,224,006
  5. Step 5: Solve for x
    x = 4,508,207,143,224,006/69,122,500.70
  6. Step 6: Final answer
    x = 65,220,544.65

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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.