Home / 250,947,389.10-376,421,083.65-199,291,323.90

Finding the Fourth Proportional to 250,947,389.10, 376,421,083.65 and 199,291,323.90

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Solution

The fourth proportional to 250,947,389.10, 376,421,083.65 and 199,291,323.90 is: 298,936,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,947,389.10 : 376,421,083.65 = 199,291,323.90 : x
  2. Step 2: Convert to fraction form
    250,947,389.10/376,421,083.65 = 199,291,323.90/x
  3. Step 3: Cross multiply
    250,947,389.10x = 376,421,083.65 × 199,291,323.90
  4. Step 4: Simplify right side
    250,947,389.10x = 75,017,456,104,481,136
  5. Step 5: Solve for x
    x = 75,017,456,104,481,136/250,947,389.10
  6. Step 6: Final answer
    x = 298,936,985.85

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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.