Home / 76,833,068.30-115,249,797.66-31,394,862.80

Finding the Fourth Proportional to 76,833,068.30, 115,249,797.66 and 31,394,862.80

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Solution

The fourth proportional to 76,833,068.30, 115,249,797.66 and 31,394,862.80 is: 47,092,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,833,068.30 : 115,249,797.66 = 31,394,862.80 : x
  2. Step 2: Convert to fraction form
    76,833,068.30/115,249,797.66 = 31,394,862.80/x
  3. Step 3: Cross multiply
    76,833,068.30x = 115,249,797.66 × 31,394,862.80
  4. Step 4: Simplify right side
    76,833,068.30x = 3,618,251,585,263,461
  5. Step 5: Solve for x
    x = 3,618,251,585,263,461/76,833,068.30
  6. Step 6: Final answer
    x = 47,092,373.97

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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.