Home / 215,347,619.64-297,178,203.32-117,562,475.64

Finding the Fourth Proportional to 215,347,619.64, 297,178,203.32 and 117,562,475.64

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Solution

The fourth proportional to 215,347,619.64, 297,178,203.32 and 117,562,475.64 is: 162,235,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,347,619.64 : 297,178,203.32 = 117,562,475.64 : x
  2. Step 2: Convert to fraction form
    215,347,619.64/297,178,203.32 = 117,562,475.64/x
  3. Step 3: Cross multiply
    215,347,619.64x = 297,178,203.32 × 117,562,475.64
  4. Step 4: Simplify right side
    215,347,619.64x = 34,937,005,288,546,468
  5. Step 5: Solve for x
    x = 34,937,005,288,546,468/215,347,619.64
  6. Step 6: Final answer
    x = 162,235,391.07

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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.