Home / 168,812,034.10-253,213,327.22-53,803,477.78

Finding the Fourth Proportional to 168,812,034.10, 253,213,327.22 and 53,803,477.78

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Solution

The fourth proportional to 168,812,034.10, 253,213,327.22 and 53,803,477.78 is: 80,703,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,812,034.10 : 253,213,327.22 = 53,803,477.78 : x
  2. Step 2: Convert to fraction form
    168,812,034.10/253,213,327.22 = 53,803,477.78/x
  3. Step 3: Cross multiply
    168,812,034.10x = 253,213,327.22 × 53,803,477.78
  4. Step 4: Simplify right side
    168,812,034.10x = 13,623,757,624,681,140
  5. Step 5: Solve for x
    x = 13,623,757,624,681,140/168,812,034.10
  6. Step 6: Final answer
    x = 80,703,711.07

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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.