Home / 49,830,775.60-74,746,163.40-47,678,439.55

Finding the Fourth Proportional to 49,830,775.60, 74,746,163.40 and 47,678,439.55

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Solution

The fourth proportional to 49,830,775.60, 74,746,163.40 and 47,678,439.55 is: 71,517,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830,775.60 : 74,746,163.40 = 47,678,439.55 : x
  2. Step 2: Convert to fraction form
    49,830,775.60/74,746,163.40 = 47,678,439.55/x
  3. Step 3: Cross multiply
    49,830,775.60x = 74,746,163.40 × 47,678,439.55
  4. Step 4: Simplify right side
    49,830,775.60x = 3,563,780,433,261,322.50
  5. Step 5: Solve for x
    x = 3,563,780,433,261,322.50/49,830,775.60
  6. Step 6: Final answer
    x = 71,517,659.33

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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.