Home / 55,064,089.46-82,521,730.16-20,966,834.90

Finding the Fourth Proportional to 55,064,089.46, 82,521,730.16 and 20,966,834.90

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Solution

The fourth proportional to 55,064,089.46, 82,521,730.16 and 20,966,834.90 is: 31,421,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064,089.46 : 82,521,730.16 = 20,966,834.90 : x
  2. Step 2: Convert to fraction form
    55,064,089.46/82,521,730.16 = 20,966,834.90/x
  3. Step 3: Cross multiply
    55,064,089.46x = 82,521,730.16 × 20,966,834.90
  4. Step 4: Simplify right side
    55,064,089.46x = 1,730,219,491,927,070.50
  5. Step 5: Solve for x
    x = 1,730,219,491,927,070.50/55,064,089.46
  6. Step 6: Final answer
    x = 31,421,921.42

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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.