Home / 164,915,077.60-247,317,684.43-66,521,371.69

Finding the Fourth Proportional to 164,915,077.60, 247,317,684.43 and 66,521,371.69

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Solution

The fourth proportional to 164,915,077.60, 247,317,684.43 and 66,521,371.69 is: 99,759,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,915,077.60 : 247,317,684.43 = 66,521,371.69 : x
  2. Step 2: Convert to fraction form
    164,915,077.60/247,317,684.43 = 66,521,371.69/x
  3. Step 3: Cross multiply
    164,915,077.60x = 247,317,684.43 × 66,521,371.69
  4. Step 4: Simplify right side
    164,915,077.60x = 16,451,911,611,745,392
  5. Step 5: Solve for x
    x = 16,451,911,611,745,392/164,915,077.60
  6. Step 6: Final answer
    x = 99,759,899.77

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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.