Home / 57,036,834.27-85,533,772.23-20,636,225.82

Finding the Fourth Proportional to 57,036,834.27, 85,533,772.23 and 20,636,225.82

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Solution

The fourth proportional to 57,036,834.27, 85,533,772.23 and 20,636,225.82 is: 30,946,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,036,834.27 : 85,533,772.23 = 20,636,225.82 : x
  2. Step 2: Convert to fraction form
    57,036,834.27/85,533,772.23 = 20,636,225.82/x
  3. Step 3: Cross multiply
    57,036,834.27x = 85,533,772.23 × 20,636,225.82
  4. Step 4: Simplify right side
    57,036,834.27x = 1,765,094,238,974,725
  5. Step 5: Solve for x
    x = 1,765,094,238,974,725/57,036,834.27
  6. Step 6: Final answer
    x = 30,946,567.45

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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.