Home / 55,064,070.43-82,521,701.62-20,966,815.87

Finding the Fourth Proportional to 55,064,070.43, 82,521,701.62 and 20,966,815.87

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Solution

The fourth proportional to 55,064,070.43, 82,521,701.62 and 20,966,815.87 is: 31,421,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064,070.43 : 82,521,701.62 = 20,966,815.87 : x
  2. Step 2: Convert to fraction form
    55,064,070.43/82,521,701.62 = 20,966,815.87/x
  3. Step 3: Cross multiply
    55,064,070.43x = 82,521,701.62 × 20,966,815.87
  4. Step 4: Simplify right side
    55,064,070.43x = 1,730,217,323,145,621
  5. Step 5: Solve for x
    x = 1,730,217,323,145,621/55,064,070.43
  6. Step 6: Final answer
    x = 31,421,892.89

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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.