Home / 85,833,334.40-118,441,043.52-49,165,450.88

Finding the Fourth Proportional to 85,833,334.40, 118,441,043.52 and 49,165,450.88

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Solution

The fourth proportional to 85,833,334.40, 118,441,043.52 and 49,165,450.88 is: 67,843,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,833,334.40 : 118,441,043.52 = 49,165,450.88 : x
  2. Step 2: Convert to fraction form
    85,833,334.40/118,441,043.52 = 49,165,450.88/x
  3. Step 3: Cross multiply
    85,833,334.40x = 118,441,043.52 × 49,165,450.88
  4. Step 4: Simplify right side
    85,833,334.40x = 5,823,207,307,358,502
  5. Step 5: Solve for x
    x = 5,823,207,307,358,502/85,833,334.40
  6. Step 6: Final answer
    x = 67,843,191.09

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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.