Home / 110,669,076.80-165,904,082.40-72,348,948.80

Finding the Fourth Proportional to 110,669,076.80, 165,904,082.40 and 72,348,948.80

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Solution

The fourth proportional to 110,669,076.80, 165,904,082.40 and 72,348,948.80 is: 108,458,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,669,076.80 : 165,904,082.40 = 72,348,948.80 : x
  2. Step 2: Convert to fraction form
    110,669,076.80/165,904,082.40 = 72,348,948.80/x
  3. Step 3: Cross multiply
    110,669,076.80x = 165,904,082.40 × 72,348,948.80
  4. Step 4: Simplify right side
    110,669,076.80x = 12,002,985,963,268,582
  5. Step 5: Solve for x
    x = 12,002,985,963,268,582/110,669,076.80
  6. Step 6: Final answer
    x = 108,458,354.50

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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.