Home / 255,841,469.50-353,061,225.18-138,366,799.74

Finding the Fourth Proportional to 255,841,469.50, 353,061,225.18 and 138,366,799.74

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Solution

The fourth proportional to 255,841,469.50, 353,061,225.18 and 138,366,799.74 is: 190,946,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,841,469.50 : 353,061,225.18 = 138,366,799.74 : x
  2. Step 2: Convert to fraction form
    255,841,469.50/353,061,225.18 = 138,366,799.74/x
  3. Step 3: Cross multiply
    255,841,469.50x = 353,061,225.18 × 138,366,799.74
  4. Step 4: Simplify right side
    255,841,469.50x = 48,851,951,841,529,072
  5. Step 5: Solve for x
    x = 48,851,951,841,529,072/255,841,469.50
  6. Step 6: Final answer
    x = 190,946,182.17

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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.