Home / 208,893,583.46-288,153,080.88-130,440,949.22

Finding the Fourth Proportional to 208,893,583.46, 288,153,080.88 and 130,440,949.22

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Solution

The fourth proportional to 208,893,583.46, 288,153,080.88 and 130,440,949.22 is: 179,933,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,893,583.46 : 288,153,080.88 = 130,440,949.22 : x
  2. Step 2: Convert to fraction form
    208,893,583.46/288,153,080.88 = 130,440,949.22/x
  3. Step 3: Cross multiply
    208,893,583.46x = 288,153,080.88 × 130,440,949.22
  4. Step 4: Simplify right side
    208,893,583.46x = 37,586,961,389,213,864
  5. Step 5: Solve for x
    x = 37,586,961,389,213,864/208,893,583.46
  6. Step 6: Final answer
    x = 179,933,537.29

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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.