Home / 90,930,511.41-136,481,998.32-56,282,104.89

Finding the Fourth Proportional to 90,930,511.41, 136,481,998.32 and 56,282,104.89

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Solution

The fourth proportional to 90,930,511.41, 136,481,998.32 and 56,282,104.89 is: 84,476,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,930,511.41 : 136,481,998.32 = 56,282,104.89 : x
  2. Step 2: Convert to fraction form
    90,930,511.41/136,481,998.32 = 56,282,104.89/x
  3. Step 3: Cross multiply
    90,930,511.41x = 136,481,998.32 × 56,282,104.89
  4. Step 4: Simplify right side
    90,930,511.41x = 7,681,494,145,043,043
  5. Step 5: Solve for x
    x = 7,681,494,145,043,043/90,930,511.41
  6. Step 6: Final answer
    x = 84,476,530.77

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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.