Home / 208,077,310.80-312,115,966.20-195,322,726.80

Finding the Fourth Proportional to 208,077,310.80, 312,115,966.20 and 195,322,726.80

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Solution

The fourth proportional to 208,077,310.80, 312,115,966.20 and 195,322,726.80 is: 292,984,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,077,310.80 : 312,115,966.20 = 195,322,726.80 : x
  2. Step 2: Convert to fraction form
    208,077,310.80/312,115,966.20 = 195,322,726.80/x
  3. Step 3: Cross multiply
    208,077,310.80x = 312,115,966.20 × 195,322,726.80
  4. Step 4: Simplify right side
    208,077,310.80x = 60,963,341,596,000,632
  5. Step 5: Solve for x
    x = 60,963,341,596,000,632/208,077,310.80
  6. Step 6: Final answer
    x = 292,984,090.20

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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.