Home / 107,746,800.40-161,620,200.60-75,435,187.60

Finding the Fourth Proportional to 107,746,800.40, 161,620,200.60 and 75,435,187.60

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Solution

The fourth proportional to 107,746,800.40, 161,620,200.60 and 75,435,187.60 is: 113,152,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,746,800.40 : 161,620,200.60 = 75,435,187.60 : x
  2. Step 2: Convert to fraction form
    107,746,800.40/161,620,200.60 = 75,435,187.60/x
  3. Step 3: Cross multiply
    107,746,800.40x = 161,620,200.60 × 75,435,187.60
  4. Step 4: Simplify right side
    107,746,800.40x = 12,191,850,152,210,632
  5. Step 5: Solve for x
    x = 12,191,850,152,210,632/107,746,800.40
  6. Step 6: Final answer
    x = 113,152,781.40

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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.