Home / 187,240,922.10-280,862,257.95-66,072,374.10

Finding the Fourth Proportional to 187,240,922.10, 280,862,257.95 and 66,072,374.10

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Solution

The fourth proportional to 187,240,922.10, 280,862,257.95 and 66,072,374.10 is: 99,108,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,240,922.10 : 280,862,257.95 = 66,072,374.10 : x
  2. Step 2: Convert to fraction form
    187,240,922.10/280,862,257.95 = 66,072,374.10/x
  3. Step 3: Cross multiply
    187,240,922.10x = 280,862,257.95 × 66,072,374.10
  4. Step 4: Simplify right side
    187,240,922.10x = 18,557,236,177,843,100
  5. Step 5: Solve for x
    x = 18,557,236,177,843,100/187,240,922.10
  6. Step 6: Final answer
    x = 99,108,869.84

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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.