Home / 137,750,622.31-190,095,861.05-75,870,960.90

Finding the Fourth Proportional to 137,750,622.31, 190,095,861.05 and 75,870,960.90

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Solution

The fourth proportional to 137,750,622.31, 190,095,861.05 and 75,870,960.90 is: 104,701,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,750,622.31 : 190,095,861.05 = 75,870,960.90 : x
  2. Step 2: Convert to fraction form
    137,750,622.31/190,095,861.05 = 75,870,960.90/x
  3. Step 3: Cross multiply
    137,750,622.31x = 190,095,861.05 × 75,870,960.90
  4. Step 4: Simplify right side
    137,750,622.31x = 14,422,755,640,976,384
  5. Step 5: Solve for x
    x = 14,422,755,640,976,384/137,750,622.31
  6. Step 6: Final answer
    x = 104,701,927.29

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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.