Home / 285,228,569.52-428,001,820.02-154,068,201.72

Finding the Fourth Proportional to 285,228,569.52, 428,001,820.02 and 154,068,201.72

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Solution

The fourth proportional to 285,228,569.52, 428,001,820.02 and 154,068,201.72 is: 231,188,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,228,569.52 : 428,001,820.02 = 154,068,201.72 : x
  2. Step 2: Convert to fraction form
    285,228,569.52/428,001,820.02 = 154,068,201.72/x
  3. Step 3: Cross multiply
    285,228,569.52x = 428,001,820.02 × 154,068,201.72
  4. Step 4: Simplify right side
    285,228,569.52x = 65,941,470,743,368,488
  5. Step 5: Solve for x
    x = 65,941,470,743,368,488/285,228,569.52
  6. Step 6: Final answer
    x = 231,188,169.03

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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.