Home / 77,102,367.30-115,653,944.61-25,984,828.98

Finding the Fourth Proportional to 77,102,367.30, 115,653,944.61 and 25,984,828.98

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Solution

The fourth proportional to 77,102,367.30, 115,653,944.61 and 25,984,828.98 is: 38,977,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102,367.30 : 115,653,944.61 = 25,984,828.98 : x
  2. Step 2: Convert to fraction form
    77,102,367.30/115,653,944.61 = 25,984,828.98/x
  3. Step 3: Cross multiply
    77,102,367.30x = 115,653,944.61 × 25,984,828.98
  4. Step 4: Simplify right side
    77,102,367.30x = 3,005,247,971,553,243
  5. Step 5: Solve for x
    x = 3,005,247,971,553,243/77,102,367.30
  6. Step 6: Final answer
    x = 38,977,376.14

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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.