Home / 187,024,175.40-258,071,006.34-103,381,006.44

Finding the Fourth Proportional to 187,024,175.40, 258,071,006.34 and 103,381,006.44

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Solution

The fourth proportional to 187,024,175.40, 258,071,006.34 and 103,381,006.44 is: 142,653,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,024,175.40 : 258,071,006.34 = 103,381,006.44 : x
  2. Step 2: Convert to fraction form
    187,024,175.40/258,071,006.34 = 103,381,006.44/x
  3. Step 3: Cross multiply
    187,024,175.40x = 258,071,006.34 × 103,381,006.44
  4. Step 4: Simplify right side
    187,024,175.40x = 26,679,640,368,412,820
  5. Step 5: Solve for x
    x = 26,679,640,368,412,820/187,024,175.40
  6. Step 6: Final answer
    x = 142,653,431.36

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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.