Home / 187,379,576.61-258,591,896.35-103,747,708.81

Finding the Fourth Proportional to 187,379,576.61, 258,591,896.35 and 103,747,708.81

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Solution

The fourth proportional to 187,379,576.61, 258,591,896.35 and 103,747,708.81 is: 143,176,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,379,576.61 : 258,591,896.35 = 103,747,708.81 : x
  2. Step 2: Convert to fraction form
    187,379,576.61/258,591,896.35 = 103,747,708.81/x
  3. Step 3: Cross multiply
    187,379,576.61x = 258,591,896.35 × 103,747,708.81
  4. Step 4: Simplify right side
    187,379,576.61x = 26,828,316,763,209,372
  5. Step 5: Solve for x
    x = 26,828,316,763,209,372/187,379,576.61
  6. Step 6: Final answer
    x = 143,176,312.22

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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.