Home / 42,003,153.60-63,004,730.40-39,452,236.80

Finding the Fourth Proportional to 42,003,153.60, 63,004,730.40 and 39,452,236.80

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Solution

The fourth proportional to 42,003,153.60, 63,004,730.40 and 39,452,236.80 is: 59,178,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003,153.60 : 63,004,730.40 = 39,452,236.80 : x
  2. Step 2: Convert to fraction form
    42,003,153.60/63,004,730.40 = 39,452,236.80/x
  3. Step 3: Cross multiply
    42,003,153.60x = 63,004,730.40 × 39,452,236.80
  4. Step 4: Simplify right side
    42,003,153.60x = 2,485,677,543,260,958.50
  5. Step 5: Solve for x
    x = 2,485,677,543,260,958.50/42,003,153.60
  6. Step 6: Final answer
    x = 59,178,355.20

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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.