Home / 306,986,936.40-460,480,404.60-168,759,132.30

Finding the Fourth Proportional to 306,986,936.40, 460,480,404.60 and 168,759,132.30

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Solution

The fourth proportional to 306,986,936.40, 460,480,404.60 and 168,759,132.30 is: 253,138,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,986,936.40 : 460,480,404.60 = 168,759,132.30 : x
  2. Step 2: Convert to fraction form
    306,986,936.40/460,480,404.60 = 168,759,132.30/x
  3. Step 3: Cross multiply
    306,986,936.40x = 460,480,404.60 × 168,759,132.30
  4. Step 4: Simplify right side
    306,986,936.40x = 77,710,273,521,448,944
  5. Step 5: Solve for x
    x = 77,710,273,521,448,944/306,986,936.40
  6. Step 6: Final answer
    x = 253,138,698.45

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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.