Home / 312,014,781.60-468,022,172.40-150,771,645.60

Finding the Fourth Proportional to 312,014,781.60, 468,022,172.40 and 150,771,645.60

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Solution

The fourth proportional to 312,014,781.60, 468,022,172.40 and 150,771,645.60 is: 226,157,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,014,781.60 : 468,022,172.40 = 150,771,645.60 : x
  2. Step 2: Convert to fraction form
    312,014,781.60/468,022,172.40 = 150,771,645.60/x
  3. Step 3: Cross multiply
    312,014,781.60x = 468,022,172.40 × 150,771,645.60
  4. Step 4: Simplify right side
    312,014,781.60x = 70,564,473,110,034,896
  5. Step 5: Solve for x
    x = 70,564,473,110,034,896/312,014,781.60
  6. Step 6: Final answer
    x = 226,157,468.40

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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.