Home / 69,509,442.90-104,301,489.15-29,124,009.30

Finding the Fourth Proportional to 69,509,442.90, 104,301,489.15 and 29,124,009.30

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Solution

The fourth proportional to 69,509,442.90, 104,301,489.15 and 29,124,009.30 is: 43,701,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,509,442.90 : 104,301,489.15 = 29,124,009.30 : x
  2. Step 2: Convert to fraction form
    69,509,442.90/104,301,489.15 = 29,124,009.30/x
  3. Step 3: Cross multiply
    69,509,442.90x = 104,301,489.15 × 29,124,009.30
  4. Step 4: Simplify right side
    69,509,442.90x = 3,037,677,540,008,449.50
  5. Step 5: Solve for x
    x = 3,037,677,540,008,449.50/69,509,442.90
  6. Step 6: Final answer
    x = 43,701,652.80

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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.