Home / 208,900,813.66-288,193,690.20-130,448,164.03

Finding the Fourth Proportional to 208,900,813.66, 288,193,690.20 and 130,448,164.03

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Solution

The fourth proportional to 208,900,813.66, 288,193,690.20 and 130,448,164.03 is: 179,962,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,900,813.66 : 288,193,690.20 = 130,448,164.03 : x
  2. Step 2: Convert to fraction form
    208,900,813.66/288,193,690.20 = 130,448,164.03/x
  3. Step 3: Cross multiply
    208,900,813.66x = 288,193,690.20 × 130,448,164.03
  4. Step 4: Simplify right side
    208,900,813.66x = 37,594,337,771,620,600
  5. Step 5: Solve for x
    x = 37,594,337,771,620,600/208,900,813.66
  6. Step 6: Final answer
    x = 179,962,620.12

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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.