Home / 136,594,457.28-188,501,833.44-74,713,435.20

Finding the Fourth Proportional to 136,594,457.28, 188,501,833.44 and 74,713,435.20

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Solution

The fourth proportional to 136,594,457.28, 188,501,833.44 and 74,713,435.20 is: 103,105,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,594,457.28 : 188,501,833.44 = 74,713,435.20 : x
  2. Step 2: Convert to fraction form
    136,594,457.28/188,501,833.44 = 74,713,435.20/x
  3. Step 3: Cross multiply
    136,594,457.28x = 188,501,833.44 × 74,713,435.20
  4. Step 4: Simplify right side
    136,594,457.28x = 14,083,619,517,800,634
  5. Step 5: Solve for x
    x = 14,083,619,517,800,634/136,594,457.28
  6. Step 6: Final answer
    x = 103,105,351.40

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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.