Home / 129,265,377.87-193,883,698.98-46,263,778.41

Finding the Fourth Proportional to 129,265,377.87, 193,883,698.98 and 46,263,778.41

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Solution

The fourth proportional to 129,265,377.87, 193,883,698.98 and 46,263,778.41 is: 69,390,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,265,377.87 : 193,883,698.98 = 46,263,778.41 : x
  2. Step 2: Convert to fraction form
    129,265,377.87/193,883,698.98 = 46,263,778.41/x
  3. Step 3: Cross multiply
    129,265,377.87x = 193,883,698.98 × 46,263,778.41
  4. Step 4: Simplify right side
    129,265,377.87x = 8,969,792,486,921,862
  5. Step 5: Solve for x
    x = 8,969,792,486,921,862/129,265,377.87
  6. Step 6: Final answer
    x = 69,390,525.40

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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.