Home / 76,539,619.08-114,863,228.10-69,221,676.42

Finding the Fourth Proportional to 76,539,619.08, 114,863,228.10 and 69,221,676.42

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Solution

The fourth proportional to 76,539,619.08, 114,863,228.10 and 69,221,676.42 is: 103,881,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,539,619.08 : 114,863,228.10 = 69,221,676.42 : x
  2. Step 2: Convert to fraction form
    76,539,619.08/114,863,228.10 = 69,221,676.42/x
  3. Step 3: Cross multiply
    76,539,619.08x = 114,863,228.10 × 69,221,676.42
  4. Step 4: Simplify right side
    76,539,619.08x = 7,951,025,208,094,851
  5. Step 5: Solve for x
    x = 7,951,025,208,094,851/76,539,619.08
  6. Step 6: Final answer
    x = 103,881,170.35

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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.