Home / 145,551,208.20-218,326,812.30-48,510,081.60

Finding the Fourth Proportional to 145,551,208.20, 218,326,812.30 and 48,510,081.60

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Solution

The fourth proportional to 145,551,208.20, 218,326,812.30 and 48,510,081.60 is: 72,765,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,551,208.20 : 218,326,812.30 = 48,510,081.60 : x
  2. Step 2: Convert to fraction form
    145,551,208.20/218,326,812.30 = 48,510,081.60/x
  3. Step 3: Cross multiply
    145,551,208.20x = 218,326,812.30 × 48,510,081.60
  4. Step 4: Simplify right side
    145,551,208.20x = 10,591,051,480,140,884
  5. Step 5: Solve for x
    x = 10,591,051,480,140,884/145,551,208.20
  6. Step 6: Final answer
    x = 72,765,122.40

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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.