Home / 69,984,090.30-104,976,135.45-39,373,088.70

Finding the Fourth Proportional to 69,984,090.30, 104,976,135.45 and 39,373,088.70

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Solution

The fourth proportional to 69,984,090.30, 104,976,135.45 and 39,373,088.70 is: 59,059,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,090.30 : 104,976,135.45 = 39,373,088.70 : x
  2. Step 2: Convert to fraction form
    69,984,090.30/104,976,135.45 = 39,373,088.70/x
  3. Step 3: Cross multiply
    69,984,090.30x = 104,976,135.45 × 39,373,088.70
  4. Step 4: Simplify right side
    69,984,090.30x = 4,133,234,692,456,065
  5. Step 5: Solve for x
    x = 4,133,234,692,456,065/69,984,090.30
  6. Step 6: Final answer
    x = 59,059,633.05

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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.