Home / 107,892,813.60-161,839,220.40-75,014,330.40

Finding the Fourth Proportional to 107,892,813.60, 161,839,220.40 and 75,014,330.40

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Solution

The fourth proportional to 107,892,813.60, 161,839,220.40 and 75,014,330.40 is: 112,521,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892,813.60 : 161,839,220.40 = 75,014,330.40 : x
  2. Step 2: Convert to fraction form
    107,892,813.60/161,839,220.40 = 75,014,330.40/x
  3. Step 3: Cross multiply
    107,892,813.60x = 161,839,220.40 × 75,014,330.40
  4. Step 4: Simplify right side
    107,892,813.60x = 12,140,260,750,764,022
  5. Step 5: Solve for x
    x = 12,140,260,750,764,022/107,892,813.60
  6. Step 6: Final answer
    x = 112,521,495.60

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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.