Home / 128,216,239.14-192,325,836.14-46,341,335.46

Finding the Fourth Proportional to 128,216,239.14, 192,325,836.14 and 46,341,335.46

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Solution

The fourth proportional to 128,216,239.14, 192,325,836.14 and 46,341,335.46 is: 69,512,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,216,239.14 : 192,325,836.14 = 46,341,335.46 : x
  2. Step 2: Convert to fraction form
    128,216,239.14/192,325,836.14 = 46,341,335.46/x
  3. Step 3: Cross multiply
    128,216,239.14x = 192,325,836.14 × 46,341,335.46
  4. Step 4: Simplify right side
    128,216,239.14x = 8,912,636,090,188,731
  5. Step 5: Solve for x
    x = 8,912,636,090,188,731/128,216,239.14
  6. Step 6: Final answer
    x = 69,512,537.18

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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.