Home / 217,266,285.72-299,835,358.77-124,464,729.70

Finding the Fourth Proportional to 217,266,285.72, 299,835,358.77 and 124,464,729.70

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Solution

The fourth proportional to 217,266,285.72, 299,835,358.77 and 124,464,729.70 is: 171,765,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,266,285.72 : 299,835,358.77 = 124,464,729.70 : x
  2. Step 2: Convert to fraction form
    217,266,285.72/299,835,358.77 = 124,464,729.70/x
  3. Step 3: Cross multiply
    217,266,285.72x = 299,835,358.77 × 124,464,729.70
  4. Step 4: Simplify right side
    217,266,285.72x = 37,318,926,884,302,368
  5. Step 5: Solve for x
    x = 37,318,926,884,302,368/217,266,285.72
  6. Step 6: Final answer
    x = 171,765,843.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.