Home / 255,829,034.82-353,045,124.54-138,354,362.58

Finding the Fourth Proportional to 255,829,034.82, 353,045,124.54 and 138,354,362.58

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Solution

The fourth proportional to 255,829,034.82, 353,045,124.54 and 138,354,362.58 is: 190,929,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,829,034.82 : 353,045,124.54 = 138,354,362.58 : x
  2. Step 2: Convert to fraction form
    255,829,034.82/353,045,124.54 = 138,354,362.58/x
  3. Step 3: Cross multiply
    255,829,034.82x = 353,045,124.54 × 138,354,362.58
  4. Step 4: Simplify right side
    255,829,034.82x = 48,845,333,167,708,424
  5. Step 5: Solve for x
    x = 48,845,333,167,708,424/255,829,034.82
  6. Step 6: Final answer
    x = 190,929,591.72

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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.