Home / 67,393,999.70-101,090,999.55-36,782,998.10

Finding the Fourth Proportional to 67,393,999.70, 101,090,999.55 and 36,782,998.10

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Solution

The fourth proportional to 67,393,999.70, 101,090,999.55 and 36,782,998.10 is: 55,174,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,393,999.70 : 101,090,999.55 = 36,782,998.10 : x
  2. Step 2: Convert to fraction form
    67,393,999.70/101,090,999.55 = 36,782,998.10/x
  3. Step 3: Cross multiply
    67,393,999.70x = 101,090,999.55 × 36,782,998.10
  4. Step 4: Simplify right side
    67,393,999.70x = 3,718,430,044,374,751
  5. Step 5: Solve for x
    x = 3,718,430,044,374,751/67,393,999.70
  6. Step 6: Final answer
    x = 55,174,497.15

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1.5x scale

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.