Home / 94,661,911.20-141,793,801.20-78,736,663.20

Finding the Fourth Proportional to 94,661,911.20, 141,793,801.20 and 78,736,663.20

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Solution

The fourth proportional to 94,661,911.20, 141,793,801.20 and 78,736,663.20 is: 117,939,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,661,911.20 : 141,793,801.20 = 78,736,663.20 : x
  2. Step 2: Convert to fraction form
    94,661,911.20/141,793,801.20 = 78,736,663.20/x
  3. Step 3: Cross multiply
    94,661,911.20x = 141,793,801.20 × 78,736,663.20
  4. Step 4: Simplify right side
    94,661,911.20x = 11,164,370,768,932,156
  5. Step 5: Solve for x
    x = 11,164,370,768,932,156/94,661,911.20
  6. Step 6: Final answer
    x = 117,939,418.58

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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.