Home / 68,917,047.90-103,313,002.70-34,384,011.72

Finding the Fourth Proportional to 68,917,047.90, 103,313,002.70 and 34,384,011.72

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Solution

The fourth proportional to 68,917,047.90, 103,313,002.70 and 34,384,011.72 is: 51,544,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917,047.90 : 103,313,002.70 = 34,384,011.72 : x
  2. Step 2: Convert to fraction form
    68,917,047.90/103,313,002.70 = 34,384,011.72/x
  3. Step 3: Cross multiply
    68,917,047.90x = 103,313,002.70 × 34,384,011.72
  4. Step 4: Simplify right side
    68,917,047.90x = 3,552,315,495,493,271
  5. Step 5: Solve for x
    x = 3,552,315,495,493,271/68,917,047.90
  6. Step 6: Final answer
    x = 51,544,800.65

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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.