Home / 336,871,019.76-505,354,731.72-103,721,458.72

Finding the Fourth Proportional to 336,871,019.76, 505,354,731.72 and 103,721,458.72

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Solution

The fourth proportional to 336,871,019.76, 505,354,731.72 and 103,721,458.72 is: 155,597,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,871,019.76 : 505,354,731.72 = 103,721,458.72 : x
  2. Step 2: Convert to fraction form
    336,871,019.76/505,354,731.72 = 103,721,458.72/x
  3. Step 3: Cross multiply
    336,871,019.76x = 505,354,731.72 × 103,721,458.72
  4. Step 4: Simplify right side
    336,871,019.76x = 52,416,129,945,052,656
  5. Step 5: Solve for x
    x = 52,416,129,945,052,656/336,871,019.76
  6. Step 6: Final answer
    x = 155,597,029.34

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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.