Home / 312,014,739.60-468,022,109.40-150,771,603.60

Finding the Fourth Proportional to 312,014,739.60, 468,022,109.40 and 150,771,603.60

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Solution

The fourth proportional to 312,014,739.60, 468,022,109.40 and 150,771,603.60 is: 226,157,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,014,739.60 : 468,022,109.40 = 150,771,603.60 : x
  2. Step 2: Convert to fraction form
    312,014,739.60/468,022,109.40 = 150,771,603.60/x
  3. Step 3: Cross multiply
    312,014,739.60x = 468,022,109.40 × 150,771,603.60
  4. Step 4: Simplify right side
    312,014,739.60x = 70,564,443,954,492,624
  5. Step 5: Solve for x
    x = 70,564,443,954,492,624/312,014,739.60
  6. Step 6: Final answer
    x = 226,157,405.40

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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.