Home / 104,922,421.40-157,383,632.10-83,003,432.60

Finding the Fourth Proportional to 104,922,421.40, 157,383,632.10 and 83,003,432.60

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Solution

The fourth proportional to 104,922,421.40, 157,383,632.10 and 83,003,432.60 is: 124,505,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,922,421.40 : 157,383,632.10 = 83,003,432.60 : x
  2. Step 2: Convert to fraction form
    104,922,421.40/157,383,632.10 = 83,003,432.60/x
  3. Step 3: Cross multiply
    104,922,421.40x = 157,383,632.10 × 83,003,432.60
  4. Step 4: Simplify right side
    104,922,421.40x = 13,063,381,699,355,546
  5. Step 5: Solve for x
    x = 13,063,381,699,355,546/104,922,421.40
  6. Step 6: Final answer
    x = 124,505,148.90

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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.