Home / 147,057,877.48-202,939,871-80,978,218.24

Finding the Fourth Proportional to 147,057,877.48, 202,939,871 and 80,978,218.24

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Solution

The fourth proportional to 147,057,877.48, 202,939,871 and 80,978,218.24 is: 111,749,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,057,877.48 : 202,939,871 = 80,978,218.24 : x
  2. Step 2: Convert to fraction form
    147,057,877.48/202,939,871 = 80,978,218.24/x
  3. Step 3: Cross multiply
    147,057,877.48x = 202,939,871 × 80,978,218.24
  4. Step 4: Simplify right side
    147,057,877.48x = 16,433,709,163,435,446
  5. Step 5: Solve for x
    x = 16,433,709,163,435,446/147,057,877.48
  6. Step 6: Final answer
    x = 111,749,941.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.