Home / 185,653,000.37-256,199,642.15-100,879,377.33

Finding the Fourth Proportional to 185,653,000.37, 256,199,642.15 and 100,879,377.33

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Solution

The fourth proportional to 185,653,000.37, 256,199,642.15 and 100,879,377.33 is: 139,212,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,653,000.37 : 256,199,642.15 = 100,879,377.33 : x
  2. Step 2: Convert to fraction form
    185,653,000.37/256,199,642.15 = 100,879,377.33/x
  3. Step 3: Cross multiply
    185,653,000.37x = 256,199,642.15 × 100,879,377.33
  4. Step 4: Simplify right side
    185,653,000.37x = 25,845,260,371,756,428
  5. Step 5: Solve for x
    x = 25,845,260,371,756,428/185,653,000.37
  6. Step 6: Final answer
    x = 139,212,726.54

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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.