Home / 165,353,090.58-248,030,285.81-66,986,655.30

Finding the Fourth Proportional to 165,353,090.58, 248,030,285.81 and 66,986,655.30

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Solution

The fourth proportional to 165,353,090.58, 248,030,285.81 and 66,986,655.30 is: 100,480,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,353,090.58 : 248,030,285.81 = 66,986,655.30 : x
  2. Step 2: Convert to fraction form
    165,353,090.58/248,030,285.81 = 66,986,655.30/x
  3. Step 3: Cross multiply
    165,353,090.58x = 248,030,285.81 × 66,986,655.30
  4. Step 4: Simplify right side
    165,353,090.58x = 16,614,719,259,514,950
  5. Step 5: Solve for x
    x = 16,614,719,259,514,950/165,353,090.58
  6. Step 6: Final answer
    x = 100,480,246.25

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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.