Home / 68,161,802.30-102,129,329.37-47,924,606.78

Finding the Fourth Proportional to 68,161,802.30, 102,129,329.37 and 47,924,606.78

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Solution

The fourth proportional to 68,161,802.30, 102,129,329.37 and 47,924,606.78 is: 71,807,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,161,802.30 : 102,129,329.37 = 47,924,606.78 : x
  2. Step 2: Convert to fraction form
    68,161,802.30/102,129,329.37 = 47,924,606.78/x
  3. Step 3: Cross multiply
    68,161,802.30x = 102,129,329.37 × 47,924,606.78
  4. Step 4: Simplify right side
    68,161,802.30x = 4,894,507,950,762,355
  5. Step 5: Solve for x
    x = 4,894,507,950,762,355/68,161,802.30
  6. Step 6: Final answer
    x = 71,807,196.78

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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.