Home / 118,173,165.72-163,106,178.48-69,296,340.12

Finding the Fourth Proportional to 118,173,165.72, 163,106,178.48 and 69,296,340.12

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Solution

The fourth proportional to 118,173,165.72, 163,106,178.48 and 69,296,340.12 is: 95,644,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,173,165.72 : 163,106,178.48 = 69,296,340.12 : x
  2. Step 2: Convert to fraction form
    118,173,165.72/163,106,178.48 = 69,296,340.12/x
  3. Step 3: Cross multiply
    118,173,165.72x = 163,106,178.48 × 69,296,340.12
  4. Step 4: Simplify right side
    118,173,165.72x = 11,302,661,219,623,504
  5. Step 5: Solve for x
    x = 11,302,661,219,623,504/118,173,165.72
  6. Step 6: Final answer
    x = 95,644,905.09

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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.