Home / 137,457,203.60-206,185,805.40-76,235,200.40

Finding the Fourth Proportional to 137,457,203.60, 206,185,805.40 and 76,235,200.40

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Solution

The fourth proportional to 137,457,203.60, 206,185,805.40 and 76,235,200.40 is: 114,352,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,457,203.60 : 206,185,805.40 = 76,235,200.40 : x
  2. Step 2: Convert to fraction form
    137,457,203.60/206,185,805.40 = 76,235,200.40/x
  3. Step 3: Cross multiply
    137,457,203.60x = 206,185,805.40 × 76,235,200.40
  4. Step 4: Simplify right side
    137,457,203.60x = 15,718,616,194,304,404
  5. Step 5: Solve for x
    x = 15,718,616,194,304,404/137,457,203.60
  6. Step 6: Final answer
    x = 114,352,800.60

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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.