Home / 211,541,888.69-317,145,945.88-133,654,622.10

Finding the Fourth Proportional to 211,541,888.69, 317,145,945.88 and 133,654,622.10

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Solution

The fourth proportional to 211,541,888.69, 317,145,945.88 and 133,654,622.10 is: 200,376,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,541,888.69 : 317,145,945.88 = 133,654,622.10 : x
  2. Step 2: Convert to fraction form
    211,541,888.69/317,145,945.88 = 133,654,622.10/x
  3. Step 3: Cross multiply
    211,541,888.69x = 317,145,945.88 × 133,654,622.10
  4. Step 4: Simplify right side
    211,541,888.69x = 42,388,021,547,138,448
  5. Step 5: Solve for x
    x = 42,388,021,547,138,448/211,541,888.69
  6. Step 6: Final answer
    x = 200,376,491.91

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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.