Home / 168,212,418,808.02-252,319,275,172.40-40,726,898,196.24

Finding the Fourth Proportional to 168,212,418,808.02, 252,319,275,172.40 and 40,726,898,196.24

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Solution

The fourth proportional to 168,212,418,808.02, 252,319,275,172.40 and 40,726,898,196.24 is: 61,090,503,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,212,418,808.02 : 252,319,275,172.40 = 40,726,898,196.24 : x
  2. Step 2: Convert to fraction form
    168,212,418,808.02/252,319,275,172.40 = 40,726,898,196.24/x
  3. Step 3: Cross multiply
    168,212,418,808.02x = 252,319,275,172.40 × 40,726,898,196.24
  4. Step 4: Simplify right side
    168,212,418,808.02x = 10,276,181,432,895,400,837,120
  5. Step 5: Solve for x
    x = 10,276,181,432,895,400,837,120/168,212,418,808.02
  6. Step 6: Final answer
    x = 61,090,503,933.74

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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.