Home / 168,156,242.98-252,346,945.02-69,788,031.58

Finding the Fourth Proportional to 168,156,242.98, 252,346,945.02 and 69,788,031.58

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Solution

The fourth proportional to 168,156,242.98, 252,346,945.02 and 69,788,031.58 is: 104,728,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,156,242.98 : 252,346,945.02 = 69,788,031.58 : x
  2. Step 2: Convert to fraction form
    168,156,242.98/252,346,945.02 = 69,788,031.58/x
  3. Step 3: Cross multiply
    168,156,242.98x = 252,346,945.02 × 69,788,031.58
  4. Step 4: Simplify right side
    168,156,242.98x = 17,610,796,568,172,284
  5. Step 5: Solve for x
    x = 17,610,796,568,172,284/168,156,242.98
  6. Step 6: Final answer
    x = 104,728,770.43

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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.