Home / 82,912,200.15-124,368,300.23-39,759,190.95

Finding the Fourth Proportional to 82,912,200.15, 124,368,300.23 and 39,759,190.95

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Solution

The fourth proportional to 82,912,200.15, 124,368,300.23 and 39,759,190.95 is: 59,638,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912,200.15 : 124,368,300.23 = 39,759,190.95 : x
  2. Step 2: Convert to fraction form
    82,912,200.15/124,368,300.23 = 39,759,190.95/x
  3. Step 3: Cross multiply
    82,912,200.15x = 124,368,300.23 × 39,759,190.95
  4. Step 4: Simplify right side
    82,912,200.15x = 4,944,782,996,772,703
  5. Step 5: Solve for x
    x = 4,944,782,996,772,703/82,912,200.15
  6. Step 6: Final answer
    x = 59,638,786.43

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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.