Home / 82,749,202.40-114,193,898.40-47,962,070.80

Finding the Fourth Proportional to 82,749,202.40, 114,193,898.40 and 47,962,070.80

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Solution

The fourth proportional to 82,749,202.40, 114,193,898.40 and 47,962,070.80 is: 66,187,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,749,202.40 : 114,193,898.40 = 47,962,070.80 : x
  2. Step 2: Convert to fraction form
    82,749,202.40/114,193,898.40 = 47,962,070.80/x
  3. Step 3: Cross multiply
    82,749,202.40x = 114,193,898.40 × 47,962,070.80
  4. Step 4: Simplify right side
    82,749,202.40x = 5,476,975,839,988,807
  5. Step 5: Solve for x
    x = 5,476,975,839,988,807/82,749,202.40
  6. Step 6: Final answer
    x = 66,187,657.18

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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.