Home / 66,116,443.20-99,174,664.80-49,992,129.60

Finding the Fourth Proportional to 66,116,443.20, 99,174,664.80 and 49,992,129.60

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Solution

The fourth proportional to 66,116,443.20, 99,174,664.80 and 49,992,129.60 is: 74,988,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,116,443.20 : 99,174,664.80 = 49,992,129.60 : x
  2. Step 2: Convert to fraction form
    66,116,443.20/99,174,664.80 = 49,992,129.60/x
  3. Step 3: Cross multiply
    66,116,443.20x = 99,174,664.80 × 49,992,129.60
  4. Step 4: Simplify right side
    66,116,443.20x = 4,957,952,695,718,158
  5. Step 5: Solve for x
    x = 4,957,952,695,718,158/66,116,443.20
  6. Step 6: Final answer
    x = 74,988,194.40

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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.