Home / 205,101,345.20-307,652,017.80-197,934,983.60

Finding the Fourth Proportional to 205,101,345.20, 307,652,017.80 and 197,934,983.60

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Solution

The fourth proportional to 205,101,345.20, 307,652,017.80 and 197,934,983.60 is: 296,902,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,101,345.20 : 307,652,017.80 = 197,934,983.60 : x
  2. Step 2: Convert to fraction form
    205,101,345.20/307,652,017.80 = 197,934,983.60/x
  3. Step 3: Cross multiply
    205,101,345.20x = 307,652,017.80 × 197,934,983.60
  4. Step 4: Simplify right side
    205,101,345.20x = 60,895,097,097,749,912
  5. Step 5: Solve for x
    x = 60,895,097,097,749,912/205,101,345.20
  6. Step 6: Final answer
    x = 296,902,475.40

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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.