Home / 57,782,113.20-86,686,000.20-19,442,545.20

Finding the Fourth Proportional to 57,782,113.20, 86,686,000.20 and 19,442,545.20

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Solution

The fourth proportional to 57,782,113.20, 86,686,000.20 and 19,442,545.20 is: 29,168,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,782,113.20 : 86,686,000.20 = 19,442,545.20 : x
  2. Step 2: Convert to fraction form
    57,782,113.20/86,686,000.20 = 19,442,545.20/x
  3. Step 3: Cross multiply
    57,782,113.20x = 86,686,000.20 × 19,442,545.20
  4. Step 4: Simplify right side
    57,782,113.20x = 1,685,396,477,095,709
  5. Step 5: Solve for x
    x = 1,685,396,477,095,709/57,782,113.20
  6. Step 6: Final answer
    x = 29,168,134.98

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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.