Home / 107,888,772.40-161,833,158.60-61,783,313.20

Finding the Fourth Proportional to 107,888,772.40, 161,833,158.60 and 61,783,313.20

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Solution

The fourth proportional to 107,888,772.40, 161,833,158.60 and 61,783,313.20 is: 92,674,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,888,772.40 : 161,833,158.60 = 61,783,313.20 : x
  2. Step 2: Convert to fraction form
    107,888,772.40/161,833,158.60 = 61,783,313.20/x
  3. Step 3: Cross multiply
    107,888,772.40x = 161,833,158.60 × 61,783,313.20
  4. Step 4: Simplify right side
    107,888,772.40x = 9,998,588,723,929,074
  5. Step 5: Solve for x
    x = 9,998,588,723,929,074/107,888,772.40
  6. Step 6: Final answer
    x = 92,674,969.80

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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.