Home / 107,880,010.80-161,820,016.20-106,088,420.40

Finding the Fourth Proportional to 107,880,010.80, 161,820,016.20 and 106,088,420.40

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Solution

The fourth proportional to 107,880,010.80, 161,820,016.20 and 106,088,420.40 is: 159,132,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,880,010.80 : 161,820,016.20 = 106,088,420.40 : x
  2. Step 2: Convert to fraction form
    107,880,010.80/161,820,016.20 = 106,088,420.40/x
  3. Step 3: Cross multiply
    107,880,010.80x = 161,820,016.20 × 106,088,420.40
  4. Step 4: Simplify right side
    107,880,010.80x = 17,167,229,907,760,410
  5. Step 5: Solve for x
    x = 17,167,229,907,760,410/107,880,010.80
  6. Step 6: Final answer
    x = 159,132,630.60

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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.