Home / 55,064,069.43-82,521,700.12-20,966,814.87

Finding the Fourth Proportional to 55,064,069.43, 82,521,700.12 and 20,966,814.87

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Solution

The fourth proportional to 55,064,069.43, 82,521,700.12 and 20,966,814.87 is: 31,421,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064,069.43 : 82,521,700.12 = 20,966,814.87 : x
  2. Step 2: Convert to fraction form
    55,064,069.43/82,521,700.12 = 20,966,814.87/x
  3. Step 3: Cross multiply
    55,064,069.43x = 82,521,700.12 × 20,966,814.87
  4. Step 4: Simplify right side
    55,064,069.43x = 1,730,217,208,890,449
  5. Step 5: Solve for x
    x = 1,730,217,208,890,449/55,064,069.43
  6. Step 6: Final answer
    x = 31,421,891.39

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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.