Home / 52,186,845.60-78,280,268.40-48,407,709.60

Finding the Fourth Proportional to 52,186,845.60, 78,280,268.40 and 48,407,709.60

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Solution

The fourth proportional to 52,186,845.60, 78,280,268.40 and 48,407,709.60 is: 72,611,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186,845.60 : 78,280,268.40 = 48,407,709.60 : x
  2. Step 2: Convert to fraction form
    52,186,845.60/78,280,268.40 = 48,407,709.60/x
  3. Step 3: Cross multiply
    52,186,845.60x = 78,280,268.40 × 48,407,709.60
  4. Step 4: Simplify right side
    52,186,845.60x = 3,789,368,500,117,257
  5. Step 5: Solve for x
    x = 3,789,368,500,117,257/52,186,845.60
  6. Step 6: Final answer
    x = 72,611,564.40

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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.