Home / 263,364,569.16-363,438,242.75-145,887,321.77

Finding the Fourth Proportional to 263,364,569.16, 363,438,242.75 and 145,887,321.77

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Solution

The fourth proportional to 263,364,569.16, 363,438,242.75 and 145,887,321.77 is: 201,321,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,364,569.16 : 363,438,242.75 = 145,887,321.77 : x
  2. Step 2: Convert to fraction form
    263,364,569.16/363,438,242.75 = 145,887,321.77/x
  3. Step 3: Cross multiply
    263,364,569.16x = 363,438,242.75 × 145,887,321.77
  4. Step 4: Simplify right side
    263,364,569.16x = 53,021,031,863,592,624
  5. Step 5: Solve for x
    x = 53,021,031,863,592,624/263,364,569.16
  6. Step 6: Final answer
    x = 201,321,810.42

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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.