Home / 210,605,650.55-315,293,775.69-122,898,399.38

Finding the Fourth Proportional to 210,605,650.55, 315,293,775.69 and 122,898,399.38

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Solution

The fourth proportional to 210,605,650.55, 315,293,775.69 and 122,898,399.38 is: 183,988,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,605,650.55 : 315,293,775.69 = 122,898,399.38 : x
  2. Step 2: Convert to fraction form
    210,605,650.55/315,293,775.69 = 122,898,399.38/x
  3. Step 3: Cross multiply
    210,605,650.55x = 315,293,775.69 × 122,898,399.38
  4. Step 4: Simplify right side
    210,605,650.55x = 38,749,100,365,201,288
  5. Step 5: Solve for x
    x = 38,749,100,365,201,288/210,605,650.55
  6. Step 6: Final answer
    x = 183,988,892.34

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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.