Home / 253,103,351.15-379,616,666.65-68,885,182.64

Finding the Fourth Proportional to 253,103,351.15, 379,616,666.65 and 68,885,182.64

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Solution

The fourth proportional to 253,103,351.15, 379,616,666.65 and 68,885,182.64 is: 103,317,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,103,351.15 : 379,616,666.65 = 68,885,182.64 : x
  2. Step 2: Convert to fraction form
    253,103,351.15/379,616,666.65 = 68,885,182.64/x
  3. Step 3: Cross multiply
    253,103,351.15x = 379,616,666.65 × 68,885,182.64
  4. Step 4: Simplify right side
    253,103,351.15x = 26,149,963,414,014,732
  5. Step 5: Solve for x
    x = 26,149,963,414,014,732/253,103,351.15
  6. Step 6: Final answer
    x = 103,317,333.79

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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.