Home / 192,478,362.08-288,734,516.06-54,305,178.30

Finding the Fourth Proportional to 192,478,362.08, 288,734,516.06 and 54,305,178.30

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Solution

The fourth proportional to 192,478,362.08, 288,734,516.06 and 54,305,178.30 is: 81,462,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,478,362.08 : 288,734,516.06 = 54,305,178.30 : x
  2. Step 2: Convert to fraction form
    192,478,362.08/288,734,516.06 = 54,305,178.30/x
  3. Step 3: Cross multiply
    192,478,362.08x = 288,734,516.06 × 54,305,178.30
  4. Step 4: Simplify right side
    192,478,362.08x = 15,679,779,375,730,988
  5. Step 5: Solve for x
    x = 15,679,779,375,730,988/192,478,362.08
  6. Step 6: Final answer
    x = 81,462,556.14

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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.