Home / 215,347,619.27-297,178,202.81-117,562,475.27

Finding the Fourth Proportional to 215,347,619.27, 297,178,202.81 and 117,562,475.27

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Solution

The fourth proportional to 215,347,619.27, 297,178,202.81 and 117,562,475.27 is: 162,235,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,347,619.27 : 297,178,202.81 = 117,562,475.27 : x
  2. Step 2: Convert to fraction form
    215,347,619.27/297,178,202.81 = 117,562,475.27/x
  3. Step 3: Cross multiply
    215,347,619.27x = 297,178,202.81 × 117,562,475.27
  4. Step 4: Simplify right side
    215,347,619.27x = 34,937,005,116,559,968
  5. Step 5: Solve for x
    x = 34,937,005,116,559,968/215,347,619.27
  6. Step 6: Final answer
    x = 162,235,390.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.