Home / 110,664,989.60-165,997,484.40-53,143,390.40

Finding the Fourth Proportional to 110,664,989.60, 165,997,484.40 and 53,143,390.40

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Solution

The fourth proportional to 110,664,989.60, 165,997,484.40 and 53,143,390.40 is: 79,715,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,664,989.60 : 165,997,484.40 = 53,143,390.40 : x
  2. Step 2: Convert to fraction form
    110,664,989.60/165,997,484.40 = 53,143,390.40/x
  3. Step 3: Cross multiply
    110,664,989.60x = 165,997,484.40 × 53,143,390.40
  4. Step 4: Simplify right side
    110,664,989.60x = 8,821,669,118,887,110
  5. Step 5: Solve for x
    x = 8,821,669,118,887,110/110,664,989.60
  6. Step 6: Final answer
    x = 79,715,085.60

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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.