Home / 199,557,420.30-299,168,168.85-103,819,308.30

Finding the Fourth Proportional to 199,557,420.30, 299,168,168.85 and 103,819,308.30

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Solution

The fourth proportional to 199,557,420.30, 299,168,168.85 and 103,819,308.30 is: 155,641,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,557,420.30 : 299,168,168.85 = 103,819,308.30 : x
  2. Step 2: Convert to fraction form
    199,557,420.30/299,168,168.85 = 103,819,308.30/x
  3. Step 3: Cross multiply
    199,557,420.30x = 299,168,168.85 × 103,819,308.30
  4. Step 4: Simplify right side
    199,557,420.30x = 31,059,432,355,384,608
  5. Step 5: Solve for x
    x = 31,059,432,355,384,608/199,557,420.30
  6. Step 6: Final answer
    x = 155,641,580.80

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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.