Home / 65,172,420.68-97,721,782.44-21,441,345.24

Finding the Fourth Proportional to 65,172,420.68, 97,721,782.44 and 21,441,345.24

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Solution

The fourth proportional to 65,172,420.68, 97,721,782.44 and 21,441,345.24 is: 32,149,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,172,420.68 : 97,721,782.44 = 21,441,345.24 : x
  2. Step 2: Convert to fraction form
    65,172,420.68/97,721,782.44 = 21,441,345.24/x
  3. Step 3: Cross multiply
    65,172,420.68x = 97,721,782.44 × 21,441,345.24
  4. Step 4: Simplify right side
    65,172,420.68x = 2,095,286,474,764,209.25
  5. Step 5: Solve for x
    x = 2,095,286,474,764,209.25/65,172,420.68
  6. Step 6: Final answer
    x = 32,149,894.89

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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.