Home / 84,320,883,748.59-126,476,670,012.91-61,654,465,445.86

Finding the Fourth Proportional to 84,320,883,748.59, 126,476,670,012.91 and 61,654,465,445.86

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Solution

The fourth proportional to 84,320,883,748.59, 126,476,670,012.91 and 61,654,465,445.86 is: 92,478,294,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,320,883,748.59 : 126,476,670,012.91 = 61,654,465,445.86 : x
  2. Step 2: Convert to fraction form
    84,320,883,748.59/126,476,670,012.91 = 61,654,465,445.86/x
  3. Step 3: Cross multiply
    84,320,883,748.59x = 126,476,670,012.91 × 61,654,465,445.86
  4. Step 4: Simplify right side
    84,320,883,748.59x = 7,797,851,481,018,397,097,984
  5. Step 5: Solve for x
    x = 7,797,851,481,018,397,097,984/84,320,883,748.59
  6. Step 6: Final answer
    x = 92,478,294,040.04

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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.