Home / 157,172,953.12-215,327,714.09-151,282,147.66

Finding the Fourth Proportional to 157,172,953.12, 215,327,714.09 and 151,282,147.66

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Solution

The fourth proportional to 157,172,953.12, 215,327,714.09 and 151,282,147.66 is: 207,257,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,172,953.12 : 215,327,714.09 = 151,282,147.66 : x
  2. Step 2: Convert to fraction form
    157,172,953.12/215,327,714.09 = 151,282,147.66/x
  3. Step 3: Cross multiply
    157,172,953.12x = 215,327,714.09 × 151,282,147.66
  4. Step 4: Simplify right side
    157,172,953.12x = 32,575,239,038,253,644
  5. Step 5: Solve for x
    x = 32,575,239,038,253,644/157,172,953.12
  6. Step 6: Final answer
    x = 207,257,281.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.