Home / 81,656,016.30-122,484,024.45-74,097,744.30

Finding the Fourth Proportional to 81,656,016.30, 122,484,024.45 and 74,097,744.30

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Solution

The fourth proportional to 81,656,016.30, 122,484,024.45 and 74,097,744.30 is: 111,146,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,656,016.30 : 122,484,024.45 = 74,097,744.30 : x
  2. Step 2: Convert to fraction form
    81,656,016.30/122,484,024.45 = 74,097,744.30/x
  3. Step 3: Cross multiply
    81,656,016.30x = 122,484,024.45 × 74,097,744.30
  4. Step 4: Simplify right side
    81,656,016.30x = 9,075,789,924,531,048
  5. Step 5: Solve for x
    x = 9,075,789,924,531,048/81,656,016.30
  6. Step 6: Final answer
    x = 111,146,616.45

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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.