Home / 85,377,239.64-117,820,628.82-46,219,015.08

Finding the Fourth Proportional to 85,377,239.64, 117,820,628.82 and 46,219,015.08

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Solution

The fourth proportional to 85,377,239.64, 117,820,628.82 and 46,219,015.08 is: 63,782,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,377,239.64 : 117,820,628.82 = 46,219,015.08 : x
  2. Step 2: Convert to fraction form
    85,377,239.64/117,820,628.82 = 46,219,015.08/x
  3. Step 3: Cross multiply
    85,377,239.64x = 117,820,628.82 × 46,219,015.08
  4. Step 4: Simplify right side
    85,377,239.64x = 5,445,553,420,166,662
  5. Step 5: Solve for x
    x = 5,445,553,420,166,662/85,377,239.64
  6. Step 6: Final answer
    x = 63,782,261.44

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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.