Home / 102,764,807.16-141,815,282.12-55,721,795.15

Finding the Fourth Proportional to 102,764,807.16, 141,815,282.12 and 55,721,795.15

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Solution

The fourth proportional to 102,764,807.16, 141,815,282.12 and 55,721,795.15 is: 76,895,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,764,807.16 : 141,815,282.12 = 55,721,795.15 : x
  2. Step 2: Convert to fraction form
    102,764,807.16/141,815,282.12 = 55,721,795.15/x
  3. Step 3: Cross multiply
    102,764,807.16x = 141,815,282.12 × 55,721,795.15
  4. Step 4: Simplify right side
    102,764,807.16x = 7,902,202,099,151,489
  5. Step 5: Solve for x
    x = 7,902,202,099,151,489/102,764,807.16
  6. Step 6: Final answer
    x = 76,895,995.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.