Home / 115,079,360.32-172,343,281.92-83,871,373.60

Finding the Fourth Proportional to 115,079,360.32, 172,343,281.92 and 83,871,373.60

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Solution

The fourth proportional to 115,079,360.32, 172,343,281.92 and 83,871,373.60 is: 125,606,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,079,360.32 : 172,343,281.92 = 83,871,373.60 : x
  2. Step 2: Convert to fraction form
    115,079,360.32/172,343,281.92 = 83,871,373.60/x
  3. Step 3: Cross multiply
    115,079,360.32x = 172,343,281.92 × 83,871,373.60
  4. Step 4: Simplify right side
    115,079,360.32x = 14,454,667,785,362,444
  5. Step 5: Solve for x
    x = 14,454,667,785,362,444/115,079,360.32
  6. Step 6: Final answer
    x = 125,606,083.88

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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.