Home / 108,522,235.20-162,783,352.80-74,084,858.40

Finding the Fourth Proportional to 108,522,235.20, 162,783,352.80 and 74,084,858.40

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Solution

The fourth proportional to 108,522,235.20, 162,783,352.80 and 74,084,858.40 is: 111,127,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,522,235.20 : 162,783,352.80 = 74,084,858.40 : x
  2. Step 2: Convert to fraction form
    108,522,235.20/162,783,352.80 = 74,084,858.40/x
  3. Step 3: Cross multiply
    108,522,235.20x = 162,783,352.80 × 74,084,858.40
  4. Step 4: Simplify right side
    108,522,235.20x = 12,059,781,642,065,246
  5. Step 5: Solve for x
    x = 12,059,781,642,065,246/108,522,235.20
  6. Step 6: Final answer
    x = 111,127,287.60

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1.5x scale

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.