Home / 100,968,706.20-139,347,886.44-58,591,600.86

Finding the Fourth Proportional to 100,968,706.20, 139,347,886.44 and 58,591,600.86

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Solution

The fourth proportional to 100,968,706.20, 139,347,886.44 and 58,591,600.86 is: 80,862,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,968,706.20 : 139,347,886.44 = 58,591,600.86 : x
  2. Step 2: Convert to fraction form
    100,968,706.20/139,347,886.44 = 58,591,600.86/x
  3. Step 3: Cross multiply
    100,968,706.20x = 139,347,886.44 × 58,591,600.86
  4. Step 4: Simplify right side
    100,968,706.20x = 8,164,615,742,977,086
  5. Step 5: Solve for x
    x = 8,164,615,742,977,086/100,968,706.20
  6. Step 6: Final answer
    x = 80,862,834.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.