Home / 66,068,998.40-98,907,542.40-49,104,876.80

Finding the Fourth Proportional to 66,068,998.40, 98,907,542.40 and 49,104,876.80

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Solution

The fourth proportional to 66,068,998.40, 98,907,542.40 and 49,104,876.80 is: 73,511,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,068,998.40 : 98,907,542.40 = 49,104,876.80 : x
  2. Step 2: Convert to fraction form
    66,068,998.40/98,907,542.40 = 49,104,876.80/x
  3. Step 3: Cross multiply
    66,068,998.40x = 98,907,542.40 × 49,104,876.80
  4. Step 4: Simplify right side
    66,068,998.40x = 4,856,842,684,142,776
  5. Step 5: Solve for x
    x = 4,856,842,684,142,776/66,068,998.40
  6. Step 6: Final answer
    x = 73,511,674.19

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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.