Home / 161,777,313.20-242,665,969.80-64,747,996.40

Finding the Fourth Proportional to 161,777,313.20, 242,665,969.80 and 64,747,996.40

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Solution

The fourth proportional to 161,777,313.20, 242,665,969.80 and 64,747,996.40 is: 97,121,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777,313.20 : 242,665,969.80 = 64,747,996.40 : x
  2. Step 2: Convert to fraction form
    161,777,313.20/242,665,969.80 = 64,747,996.40/x
  3. Step 3: Cross multiply
    161,777,313.20x = 242,665,969.80 × 64,747,996.40
  4. Step 4: Simplify right side
    161,777,313.20x = 15,712,135,339,012,910
  5. Step 5: Solve for x
    x = 15,712,135,339,012,910/161,777,313.20
  6. Step 6: Final answer
    x = 97,121,994.60

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1.5x scale

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.