Home / 52,170,864.62-78,271,442.91-21,030,451.12

Finding the Fourth Proportional to 52,170,864.62, 78,271,442.91 and 21,030,451.12

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Solution

The fourth proportional to 52,170,864.62, 78,271,442.91 and 21,030,451.12 is: 31,551,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,170,864.62 : 78,271,442.91 = 21,030,451.12 : x
  2. Step 2: Convert to fraction form
    52,170,864.62/78,271,442.91 = 21,030,451.12/x
  3. Step 3: Cross multiply
    52,170,864.62x = 78,271,442.91 × 21,030,451.12
  4. Step 4: Simplify right side
    52,170,864.62x = 1,646,083,753,868,188
  5. Step 5: Solve for x
    x = 1,646,083,753,868,188/52,170,864.62
  6. Step 6: Final answer
    x = 31,551,782.13

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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.