Home / 130,177,995.12-195,255,035.06-43,917,149.20

Finding the Fourth Proportional to 130,177,995.12, 195,255,035.06 and 43,917,149.20

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Solution

The fourth proportional to 130,177,995.12, 195,255,035.06 and 43,917,149.20 is: 65,871,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,177,995.12 : 195,255,035.06 = 43,917,149.20 : x
  2. Step 2: Convert to fraction form
    130,177,995.12/195,255,035.06 = 43,917,149.20/x
  3. Step 3: Cross multiply
    130,177,995.12x = 195,255,035.06 × 43,917,149.20
  4. Step 4: Simplify right side
    130,177,995.12x = 8,575,044,507,359,105
  5. Step 5: Solve for x
    x = 8,575,044,507,359,105/130,177,995.12
  6. Step 6: Final answer
    x = 65,871,689.76

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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.