Home / 278,701,484.23-384,632,554.74-153,275,784.91

Finding the Fourth Proportional to 278,701,484.23, 384,632,554.74 and 153,275,784.91

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Solution

The fourth proportional to 278,701,484.23, 384,632,554.74 and 153,275,784.91 is: 211,534,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,701,484.23 : 384,632,554.74 = 153,275,784.91 : x
  2. Step 2: Convert to fraction form
    278,701,484.23/384,632,554.74 = 153,275,784.91/x
  3. Step 3: Cross multiply
    278,701,484.23x = 384,632,554.74 × 153,275,784.91
  4. Step 4: Simplify right side
    278,701,484.23x = 58,954,856,728,750,464
  5. Step 5: Solve for x
    x = 58,954,856,728,750,464/278,701,484.23
  6. Step 6: Final answer
    x = 211,534,060.87

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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.