Home / 137,348,051.40-206,022,077.10-118,853,904.60

Finding the Fourth Proportional to 137,348,051.40, 206,022,077.10 and 118,853,904.60

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Solution

The fourth proportional to 137,348,051.40, 206,022,077.10 and 118,853,904.60 is: 178,280,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,348,051.40 : 206,022,077.10 = 118,853,904.60 : x
  2. Step 2: Convert to fraction form
    137,348,051.40/206,022,077.10 = 118,853,904.60/x
  3. Step 3: Cross multiply
    137,348,051.40x = 206,022,077.10 × 118,853,904.60
  4. Step 4: Simplify right side
    137,348,051.40x = 24,486,528,297,137,244
  5. Step 5: Solve for x
    x = 24,486,528,297,137,244/137,348,051.40
  6. Step 6: Final answer
    x = 178,280,856.90

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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.