Home / 64,980,658.25-97,450,396.62-21,251,311.64

Finding the Fourth Proportional to 64,980,658.25, 97,450,396.62 and 21,251,311.64

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Solution

The fourth proportional to 64,980,658.25, 97,450,396.62 and 21,251,311.64 is: 31,870,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,980,658.25 : 97,450,396.62 = 21,251,311.64 : x
  2. Step 2: Convert to fraction form
    64,980,658.25/97,450,396.62 = 21,251,311.64/x
  3. Step 3: Cross multiply
    64,980,658.25x = 97,450,396.62 × 21,251,311.64
  4. Step 4: Simplify right side
    64,980,658.25x = 2,070,948,748,013,222.75
  5. Step 5: Solve for x
    x = 2,070,948,748,013,222.75/64,980,658.25
  6. Step 6: Final answer
    x = 31,870,233.45

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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.