Home / 52,587,242.45-79,239,809.90-43,212,623.21

Finding the Fourth Proportional to 52,587,242.45, 79,239,809.90 and 43,212,623.21

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Solution

The fourth proportional to 52,587,242.45, 79,239,809.90 and 43,212,623.21 is: 65,113,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,587,242.45 : 79,239,809.90 = 43,212,623.21 : x
  2. Step 2: Convert to fraction form
    52,587,242.45/79,239,809.90 = 43,212,623.21/x
  3. Step 3: Cross multiply
    52,587,242.45x = 79,239,809.90 × 43,212,623.21
  4. Step 4: Simplify right side
    52,587,242.45x = 3,424,160,048,440,728
  5. Step 5: Solve for x
    x = 3,424,160,048,440,728/52,587,242.45
  6. Step 6: Final answer
    x = 65,113,892.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.