Home / 129,927,189.08-194,875,613.10-52,200,946.64

Finding the Fourth Proportional to 129,927,189.08, 194,875,613.10 and 52,200,946.64

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Solution

The fourth proportional to 129,927,189.08, 194,875,613.10 and 52,200,946.64 is: 78,295,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,927,189.08 : 194,875,613.10 = 52,200,946.64 : x
  2. Step 2: Convert to fraction form
    129,927,189.08/194,875,613.10 = 52,200,946.64/x
  3. Step 3: Cross multiply
    129,927,189.08x = 194,875,613.10 × 52,200,946.64
  4. Step 4: Simplify right side
    129,927,189.08x = 10,172,691,480,870,384
  5. Step 5: Solve for x
    x = 10,172,691,480,870,384/129,927,189.08
  6. Step 6: Final answer
    x = 78,295,324.89

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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.