Home / 76,911,241.77-115,366,862.66-25,793,112.96

Finding the Fourth Proportional to 76,911,241.77, 115,366,862.66 and 25,793,112.96

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Solution

The fourth proportional to 76,911,241.77, 115,366,862.66 and 25,793,112.96 is: 38,689,669.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,911,241.77 : 115,366,862.66 = 25,793,112.96 : x
  2. Step 2: Convert to fraction form
    76,911,241.77/115,366,862.66 = 25,793,112.96/x
  3. Step 3: Cross multiply
    76,911,241.77x = 115,366,862.66 × 25,793,112.96
  4. Step 4: Simplify right side
    76,911,241.77x = 2,975,670,520,301,220.50
  5. Step 5: Solve for x
    x = 2,975,670,520,301,220.50/76,911,241.77
  6. Step 6: Final answer
    x = 38,689,669.44

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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.