Home / 208,976,706.68-288,380,499.90-114,890,168.60

Finding the Fourth Proportional to 208,976,706.68, 288,380,499.90 and 114,890,168.60

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Solution

The fourth proportional to 208,976,706.68, 288,380,499.90 and 114,890,168.60 is: 158,544,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,976,706.68 : 288,380,499.90 = 114,890,168.60 : x
  2. Step 2: Convert to fraction form
    208,976,706.68/288,380,499.90 = 114,890,168.60/x
  3. Step 3: Cross multiply
    208,976,706.68x = 288,380,499.90 × 114,890,168.60
  4. Step 4: Simplify right side
    208,976,706.68x = 33,132,084,254,463,280
  5. Step 5: Solve for x
    x = 33,132,084,254,463,280/208,976,706.68
  6. Step 6: Final answer
    x = 158,544,388.90

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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.