Home / 286,132,061.70-394,871,782.77-160,706,360.43

Finding the Fourth Proportional to 286,132,061.70, 394,871,782.77 and 160,706,360.43

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Solution

The fourth proportional to 286,132,061.70, 394,871,782.77 and 160,706,360.43 is: 221,780,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,132,061.70 : 394,871,782.77 = 160,706,360.43 : x
  2. Step 2: Convert to fraction form
    286,132,061.70/394,871,782.77 = 160,706,360.43/x
  3. Step 3: Cross multiply
    286,132,061.70x = 394,871,782.77 × 160,706,360.43
  4. Step 4: Simplify right side
    286,132,061.70x = 63,458,407,045,472,280
  5. Step 5: Solve for x
    x = 63,458,407,045,472,280/286,132,061.70
  6. Step 6: Final answer
    x = 221,780,134.21

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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.