Home / 62,813,333.30-86,623,917.81-40,763,255.72

Finding the Fourth Proportional to 62,813,333.30, 86,623,917.81 and 40,763,255.72

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Solution

The fourth proportional to 62,813,333.30, 86,623,917.81 and 40,763,255.72 is: 56,215,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,813,333.30 : 86,623,917.81 = 40,763,255.72 : x
  2. Step 2: Convert to fraction form
    62,813,333.30/86,623,917.81 = 40,763,255.72/x
  3. Step 3: Cross multiply
    62,813,333.30x = 86,623,917.81 × 40,763,255.72
  4. Step 4: Simplify right side
    62,813,333.30x = 3,531,072,912,724,173
  5. Step 5: Solve for x
    x = 3,531,072,912,724,173/62,813,333.30
  6. Step 6: Final answer
    x = 56,215,340.40

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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.