Home / 187,454,750.68-258,667,862.40-103,820,690.44

Finding the Fourth Proportional to 187,454,750.68, 258,667,862.40 and 103,820,690.44

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Solution

The fourth proportional to 187,454,750.68, 258,667,862.40 and 103,820,690.44 is: 143,261,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,454,750.68 : 258,667,862.40 = 103,820,690.44 : x
  2. Step 2: Convert to fraction form
    187,454,750.68/258,667,862.40 = 103,820,690.44/x
  3. Step 3: Cross multiply
    187,454,750.68x = 258,667,862.40 × 103,820,690.44
  4. Step 4: Simplify right side
    187,454,750.68x = 26,855,076,069,006,916
  5. Step 5: Solve for x
    x = 26,855,076,069,006,916/187,454,750.68
  6. Step 6: Final answer
    x = 143,261,645.66

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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.