Home / 52,665,116.60-78,879,710.10-51,485,468.60

Finding the Fourth Proportional to 52,665,116.60, 78,879,710.10 and 51,485,468.60

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Solution

The fourth proportional to 52,665,116.60, 78,879,710.10 and 51,485,468.60 is: 77,112,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,665,116.60 : 78,879,710.10 = 51,485,468.60 : x
  2. Step 2: Convert to fraction form
    52,665,116.60/78,879,710.10 = 51,485,468.60/x
  3. Step 3: Cross multiply
    52,665,116.60x = 78,879,710.10 × 51,485,468.60
  4. Step 4: Simplify right side
    52,665,116.60x = 4,061,158,837,530,652.50
  5. Step 5: Solve for x
    x = 4,061,158,837,530,652.50/52,665,116.60
  6. Step 6: Final answer
    x = 77,112,880.40

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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.