Home / 169,461,142.20-254,235,015.90-54,446,812.20

Finding the Fourth Proportional to 169,461,142.20, 254,235,015.90 and 54,446,812.20

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Solution

The fourth proportional to 169,461,142.20, 254,235,015.90 and 54,446,812.20 is: 81,684,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,461,142.20 : 254,235,015.90 = 54,446,812.20 : x
  2. Step 2: Convert to fraction form
    169,461,142.20/254,235,015.90 = 54,446,812.20/x
  3. Step 3: Cross multiply
    169,461,142.20x = 254,235,015.90 × 54,446,812.20
  4. Step 4: Simplify right side
    169,461,142.20x = 13,842,286,165,371,316
  5. Step 5: Solve for x
    x = 13,842,286,165,371,316/169,461,142.20
  6. Step 6: Final answer
    x = 81,684,131.16

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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.