Home / 341,380,932.31-512,050,140.83-210,248,160.81

Finding the Fourth Proportional to 341,380,932.31, 512,050,140.83 and 210,248,160.81

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Solution

The fourth proportional to 341,380,932.31, 512,050,140.83 and 210,248,160.81 is: 315,359,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,380,932.31 : 512,050,140.83 = 210,248,160.81 : x
  2. Step 2: Convert to fraction form
    341,380,932.31/512,050,140.83 = 210,248,160.81/x
  3. Step 3: Cross multiply
    341,380,932.31x = 512,050,140.83 × 210,248,160.81
  4. Step 4: Simplify right side
    341,380,932.31x = 107,657,600,349,430,736
  5. Step 5: Solve for x
    x = 107,657,600,349,430,736/341,380,932.31
  6. Step 6: Final answer
    x = 315,359,149.15

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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.