Home / 80,525,318.12-111,126,217.40-45,717,298.28

Finding the Fourth Proportional to 80,525,318.12, 111,126,217.40 and 45,717,298.28

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Solution

The fourth proportional to 80,525,318.12, 111,126,217.40 and 45,717,298.28 is: 63,090,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525,318.12 : 111,126,217.40 = 45,717,298.28 : x
  2. Step 2: Convert to fraction form
    80,525,318.12/111,126,217.40 = 45,717,298.28/x
  3. Step 3: Cross multiply
    80,525,318.12x = 111,126,217.40 × 45,717,298.28
  4. Step 4: Simplify right side
    80,525,318.12x = 5,080,390,427,603,926
  5. Step 5: Solve for x
    x = 5,080,390,427,603,926/80,525,318.12
  6. Step 6: Final answer
    x = 63,090,597.42

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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.