Home / 48,605,140.80-72,907,711.20-44,909,985.60

Finding the Fourth Proportional to 48,605,140.80, 72,907,711.20 and 44,909,985.60

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Solution

The fourth proportional to 48,605,140.80, 72,907,711.20 and 44,909,985.60 is: 67,364,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605,140.80 : 72,907,711.20 = 44,909,985.60 : x
  2. Step 2: Convert to fraction form
    48,605,140.80/72,907,711.20 = 44,909,985.60/x
  3. Step 3: Cross multiply
    48,605,140.80x = 72,907,711.20 × 44,909,985.60
  4. Step 4: Simplify right side
    48,605,140.80x = 3,274,284,260,120,959
  5. Step 5: Solve for x
    x = 3,274,284,260,120,959/48,605,140.80
  6. Step 6: Final answer
    x = 67,364,978.40

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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.