Home / 57,782,000.70-86,685,831.45-19,442,432.70

Finding the Fourth Proportional to 57,782,000.70, 86,685,831.45 and 19,442,432.70

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Solution

The fourth proportional to 57,782,000.70, 86,685,831.45 and 19,442,432.70 is: 29,167,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,782,000.70 : 86,685,831.45 = 19,442,432.70 : x
  2. Step 2: Convert to fraction form
    57,782,000.70/86,685,831.45 = 19,442,432.70/x
  3. Step 3: Cross multiply
    57,782,000.70x = 86,685,831.45 × 19,442,432.70
  4. Step 4: Simplify right side
    57,782,000.70x = 1,685,383,444,010,168.50
  5. Step 5: Solve for x
    x = 1,685,383,444,010,168.50/57,782,000.70
  6. Step 6: Final answer
    x = 29,167,966.21

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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.