Home / 343,291,703.60-515,166,517.72-124,941,984.88

Finding the Fourth Proportional to 343,291,703.60, 515,166,517.72 and 124,941,984.88

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Solution

The fourth proportional to 343,291,703.60, 515,166,517.72 and 124,941,984.88 is: 187,496,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,291,703.60 : 515,166,517.72 = 124,941,984.88 : x
  2. Step 2: Convert to fraction form
    343,291,703.60/515,166,517.72 = 124,941,984.88/x
  3. Step 3: Cross multiply
    343,291,703.60x = 515,166,517.72 × 124,941,984.88
  4. Step 4: Simplify right side
    343,291,703.60x = 64,365,927,267,654,496
  5. Step 5: Solve for x
    x = 64,365,927,267,654,496/343,291,703.60
  6. Step 6: Final answer
    x = 187,496,308.80

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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.