Home / 168,812,031.97-253,213,324.03-53,803,475.65

Finding the Fourth Proportional to 168,812,031.97, 253,213,324.03 and 53,803,475.65

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Solution

The fourth proportional to 168,812,031.97, 253,213,324.03 and 53,803,475.65 is: 80,703,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,812,031.97 : 253,213,324.03 = 53,803,475.65 : x
  2. Step 2: Convert to fraction form
    168,812,031.97/253,213,324.03 = 53,803,475.65/x
  3. Step 3: Cross multiply
    168,812,031.97x = 253,213,324.03 × 53,803,475.65
  4. Step 4: Simplify right side
    168,812,031.97x = 13,623,756,913,703,664
  5. Step 5: Solve for x
    x = 13,623,756,913,703,664/168,812,031.97
  6. Step 6: Final answer
    x = 80,703,707.87

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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.