Home / 314,928,049.20-472,014,160.20-161,495,127.60

Finding the Fourth Proportional to 314,928,049.20, 472,014,160.20 and 161,495,127.60

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Solution

The fourth proportional to 314,928,049.20, 472,014,160.20 and 161,495,127.60 is: 242,048,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,049.20 : 472,014,160.20 = 161,495,127.60 : x
  2. Step 2: Convert to fraction form
    314,928,049.20/472,014,160.20 = 161,495,127.60/x
  3. Step 3: Cross multiply
    314,928,049.20x = 472,014,160.20 × 161,495,127.60
  4. Step 4: Simplify right side
    314,928,049.20x = 76,227,987,030,505,840
  5. Step 5: Solve for x
    x = 76,227,987,030,505,840/314,928,049.20
  6. Step 6: Final answer
    x = 242,048,897.28

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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.