Home / 72,698,858.40-108,915,577.20-44,298,832.80

Finding the Fourth Proportional to 72,698,858.40, 108,915,577.20 and 44,298,832.80

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Solution

The fourth proportional to 72,698,858.40, 108,915,577.20 and 44,298,832.80 is: 66,367,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,698,858.40 : 108,915,577.20 = 44,298,832.80 : x
  2. Step 2: Convert to fraction form
    72,698,858.40/108,915,577.20 = 44,298,832.80/x
  3. Step 3: Cross multiply
    72,698,858.40x = 108,915,577.20 × 44,298,832.80
  4. Step 4: Simplify right side
    72,698,858.40x = 4,824,832,943,698,292
  5. Step 5: Solve for x
    x = 4,824,832,943,698,292/72,698,858.40
  6. Step 6: Final answer
    x = 66,367,382.51

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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.