Home / 250,721,552.90-345,996,409.98-139,212,601.18

Finding the Fourth Proportional to 250,721,552.90, 345,996,409.98 and 139,212,601.18

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Solution

The fourth proportional to 250,721,552.90, 345,996,409.98 and 139,212,601.18 is: 192,113,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,721,552.90 : 345,996,409.98 = 139,212,601.18 : x
  2. Step 2: Convert to fraction form
    250,721,552.90/345,996,409.98 = 139,212,601.18/x
  3. Step 3: Cross multiply
    250,721,552.90x = 345,996,409.98 × 139,212,601.18
  4. Step 4: Simplify right side
    250,721,552.90x = 48,167,060,232,257,520
  5. Step 5: Solve for x
    x = 48,167,060,232,257,520/250,721,552.90
  6. Step 6: Final answer
    x = 192,113,759.97

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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.