Home / 137,348,140.90-189,540,389.92-75,472,465.27

Finding the Fourth Proportional to 137,348,140.90, 189,540,389.92 and 75,472,465.27

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Solution

The fourth proportional to 137,348,140.90, 189,540,389.92 and 75,472,465.27 is: 104,151,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,348,140.90 : 189,540,389.92 = 75,472,465.27 : x
  2. Step 2: Convert to fraction form
    137,348,140.90/189,540,389.92 = 75,472,465.27/x
  3. Step 3: Cross multiply
    137,348,140.90x = 189,540,389.92 × 75,472,465.27
  4. Step 4: Simplify right side
    137,348,140.90x = 14,305,080,494,551,756
  5. Step 5: Solve for x
    x = 14,305,080,494,551,756/137,348,140.90
  6. Step 6: Final answer
    x = 104,151,977.60

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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.