Home / 260,002,705.70-389,759,923.80-87,358,782.44

Finding the Fourth Proportional to 260,002,705.70, 389,759,923.80 and 87,358,782.44

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Solution

The fourth proportional to 260,002,705.70, 389,759,923.80 and 87,358,782.44 is: 130,956,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,002,705.70 : 389,759,923.80 = 87,358,782.44 : x
  2. Step 2: Convert to fraction form
    260,002,705.70/389,759,923.80 = 87,358,782.44/x
  3. Step 3: Cross multiply
    260,002,705.70x = 389,759,923.80 × 87,358,782.44
  4. Step 4: Simplify right side
    260,002,705.70x = 34,048,952,385,126,380
  5. Step 5: Solve for x
    x = 34,048,952,385,126,380/260,002,705.70
  6. Step 6: Final answer
    x = 130,956,146.38

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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.