Home / 336,871,126.31-505,354,891.64-103,721,565.38

Finding the Fourth Proportional to 336,871,126.31, 505,354,891.64 and 103,721,565.38

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Solution

The fourth proportional to 336,871,126.31, 505,354,891.64 and 103,721,565.38 is: 155,597,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,871,126.31 : 505,354,891.64 = 103,721,565.38 : x
  2. Step 2: Convert to fraction form
    336,871,126.31/505,354,891.64 = 103,721,565.38/x
  3. Step 3: Cross multiply
    336,871,126.31x = 505,354,891.64 × 103,721,565.38
  4. Step 4: Simplify right side
    336,871,126.31x = 52,416,200,433,341,072
  5. Step 5: Solve for x
    x = 52,416,200,433,341,072/336,871,126.31
  6. Step 6: Final answer
    x = 155,597,189.37

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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.