Home / 76,730,793.60-105,888,608.92-43,691,069.60

Finding the Fourth Proportional to 76,730,793.60, 105,888,608.92 and 43,691,069.60

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Solution

The fourth proportional to 76,730,793.60, 105,888,608.92 and 43,691,069.60 is: 60,293,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,730,793.60 : 105,888,608.92 = 43,691,069.60 : x
  2. Step 2: Convert to fraction form
    76,730,793.60/105,888,608.92 = 43,691,069.60/x
  3. Step 3: Cross multiply
    76,730,793.60x = 105,888,608.92 × 43,691,069.60
  4. Step 4: Simplify right side
    76,730,793.60x = 4,626,386,582,170,901
  5. Step 5: Solve for x
    x = 4,626,386,582,170,901/76,730,793.60
  6. Step 6: Final answer
    x = 60,293,740.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.