Home / 199,050,781.40-298,576,172.10-165,038,557.40

Finding the Fourth Proportional to 199,050,781.40, 298,576,172.10 and 165,038,557.40

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Solution

The fourth proportional to 199,050,781.40, 298,576,172.10 and 165,038,557.40 is: 247,557,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,050,781.40 : 298,576,172.10 = 165,038,557.40 : x
  2. Step 2: Convert to fraction form
    199,050,781.40/298,576,172.10 = 165,038,557.40/x
  3. Step 3: Cross multiply
    199,050,781.40x = 298,576,172.10 × 165,038,557.40
  4. Step 4: Simplify right side
    199,050,781.40x = 49,276,580,717,398,136
  5. Step 5: Solve for x
    x = 49,276,580,717,398,136/199,050,781.40
  6. Step 6: Final answer
    x = 247,557,836.10

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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.