Home / 199,291,246.65-298,936,869.98-102,436,124.40

Finding the Fourth Proportional to 199,291,246.65, 298,936,869.98 and 102,436,124.40

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Solution

The fourth proportional to 199,291,246.65, 298,936,869.98 and 102,436,124.40 is: 153,654,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,291,246.65 : 298,936,869.98 = 102,436,124.40 : x
  2. Step 2: Convert to fraction form
    199,291,246.65/298,936,869.98 = 102,436,124.40/x
  3. Step 3: Cross multiply
    199,291,246.65x = 298,936,869.98 × 102,436,124.40
  4. Step 4: Simplify right side
    199,291,246.65x = 30,621,934,400,505,728
  5. Step 5: Solve for x
    x = 30,621,934,400,505,728/199,291,246.65
  6. Step 6: Final answer
    x = 153,654,186.60

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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.