Home / 84,563,999.20-126,845,998.80-48,284,293.60

Finding the Fourth Proportional to 84,563,999.20, 126,845,998.80 and 48,284,293.60

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Solution

The fourth proportional to 84,563,999.20, 126,845,998.80 and 48,284,293.60 is: 72,426,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,563,999.20 : 126,845,998.80 = 48,284,293.60 : x
  2. Step 2: Convert to fraction form
    84,563,999.20/126,845,998.80 = 48,284,293.60/x
  3. Step 3: Cross multiply
    84,563,999.20x = 126,845,998.80 × 48,284,293.60
  4. Step 4: Simplify right side
    84,563,999.20x = 6,124,669,448,044,448
  5. Step 5: Solve for x
    x = 6,124,669,448,044,448/84,563,999.20
  6. Step 6: Final answer
    x = 72,426,440.40

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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.