Home / 217,266,523.20-299,835,686.08-124,464,966.72

Finding the Fourth Proportional to 217,266,523.20, 299,835,686.08 and 124,464,966.72

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Solution

The fourth proportional to 217,266,523.20, 299,835,686.08 and 124,464,966.72 is: 171,766,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,266,523.20 : 299,835,686.08 = 124,464,966.72 : x
  2. Step 2: Convert to fraction form
    217,266,523.20/299,835,686.08 = 124,464,966.72/x
  3. Step 3: Cross multiply
    217,266,523.20x = 299,835,686.08 × 124,464,966.72
  4. Step 4: Simplify right side
    217,266,523.20x = 37,319,038,689,415,568
  5. Step 5: Solve for x
    x = 37,319,038,689,415,568/217,266,523.20
  6. Step 6: Final answer
    x = 171,766,170.60

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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.