Home / 78,595,825.36-108,462,665.80-45,102,637.56

Finding the Fourth Proportional to 78,595,825.36, 108,462,665.80 and 45,102,637.56

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Solution

The fourth proportional to 78,595,825.36, 108,462,665.80 and 45,102,637.56 is: 62,241,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,595,825.36 : 108,462,665.80 = 45,102,637.56 : x
  2. Step 2: Convert to fraction form
    78,595,825.36/108,462,665.80 = 45,102,637.56/x
  3. Step 3: Cross multiply
    78,595,825.36x = 108,462,665.80 × 45,102,637.56
  4. Step 4: Simplify right side
    78,595,825.36x = 4,891,952,304,368,808
  5. Step 5: Solve for x
    x = 4,891,952,304,368,808/78,595,825.36
  6. Step 6: Final answer
    x = 62,241,884.76

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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.