Home / 78,603,429.97-108,473,178.03-45,583,284.52

Finding the Fourth Proportional to 78,603,429.97, 108,473,178.03 and 45,583,284.52

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Solution

The fourth proportional to 78,603,429.97, 108,473,178.03 and 45,583,284.52 is: 62,905,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,603,429.97 : 108,473,178.03 = 45,583,284.52 : x
  2. Step 2: Convert to fraction form
    78,603,429.97/108,473,178.03 = 45,583,284.52/x
  3. Step 3: Cross multiply
    78,603,429.97x = 108,473,178.03 × 45,583,284.52
  4. Step 4: Simplify right side
    78,603,429.97x = 4,944,563,736,930,104
  5. Step 5: Solve for x
    x = 4,944,563,736,930,104/78,603,429.97
  6. Step 6: Final answer
    x = 62,905,190.51

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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.