Home / 187,605,177.01-258,895,168.80-103,978,706.68

Finding the Fourth Proportional to 187,605,177.01, 258,895,168.80 and 103,978,706.68

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Solution

The fourth proportional to 187,605,177.01, 258,895,168.80 and 103,978,706.68 is: 143,490,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,605,177.01 : 258,895,168.80 = 103,978,706.68 : x
  2. Step 2: Convert to fraction form
    187,605,177.01/258,895,168.80 = 103,978,706.68/x
  3. Step 3: Cross multiply
    187,605,177.01x = 258,895,168.80 × 103,978,706.68
  4. Step 4: Simplify right side
    187,605,177.01x = 26,919,584,817,524,292
  5. Step 5: Solve for x
    x = 26,919,584,817,524,292/187,605,177.01
  6. Step 6: Final answer
    x = 143,490,628.81

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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.