Home / 60,432,643.80-90,456,072.30-47,678,059.80

Finding the Fourth Proportional to 60,432,643.80, 90,456,072.30 and 47,678,059.80

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Solution

The fourth proportional to 60,432,643.80, 90,456,072.30 and 47,678,059.80 is: 71,364,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,432,643.80 : 90,456,072.30 = 47,678,059.80 : x
  2. Step 2: Convert to fraction form
    60,432,643.80/90,456,072.30 = 47,678,059.80/x
  3. Step 3: Cross multiply
    60,432,643.80x = 90,456,072.30 × 47,678,059.80
  4. Step 4: Simplify right side
    60,432,643.80x = 4,312,770,024,392,523
  5. Step 5: Solve for x
    x = 4,312,770,024,392,523/60,432,643.80
  6. Step 6: Final answer
    x = 71,364,907.33

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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.