Home / 155,112,792.96-232,643,995.20-73,231,512.96

Finding the Fourth Proportional to 155,112,792.96, 232,643,995.20 and 73,231,512.96

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Solution

The fourth proportional to 155,112,792.96, 232,643,995.20 and 73,231,512.96 is: 109,835,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,112,792.96 : 232,643,995.20 = 73,231,512.96 : x
  2. Step 2: Convert to fraction form
    155,112,792.96/232,643,995.20 = 73,231,512.96/x
  3. Step 3: Cross multiply
    155,112,792.96x = 232,643,995.20 × 73,231,512.96
  4. Step 4: Simplify right side
    155,112,792.96x = 17,036,871,749,554,976
  5. Step 5: Solve for x
    x = 17,036,871,749,554,976/155,112,792.96
  6. Step 6: Final answer
    x = 109,835,374.79

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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.