Home / 64,965,857.04-97,416,360.54-21,240,919.98

Finding the Fourth Proportional to 64,965,857.04, 97,416,360.54 and 21,240,919.98

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Solution

The fourth proportional to 64,965,857.04, 97,416,360.54 and 21,240,919.98 is: 31,850,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,965,857.04 : 97,416,360.54 = 21,240,919.98 : x
  2. Step 2: Convert to fraction form
    64,965,857.04/97,416,360.54 = 21,240,919.98/x
  3. Step 3: Cross multiply
    64,965,857.04x = 97,416,360.54 × 21,240,919.98
  4. Step 4: Simplify right side
    64,965,857.04x = 2,069,213,118,972,969.75
  5. Step 5: Solve for x
    x = 2,069,213,118,972,969.75/64,965,857.04
  6. Step 6: Final answer
    x = 31,850,778.44

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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.