Home / 107,656,461.20-161,522,016.60-47,115,635.60

Finding the Fourth Proportional to 107,656,461.20, 161,522,016.60 and 47,115,635.60

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Solution

The fourth proportional to 107,656,461.20, 161,522,016.60 and 47,115,635.60 is: 70,689,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,656,461.20 : 161,522,016.60 = 47,115,635.60 : x
  2. Step 2: Convert to fraction form
    107,656,461.20/161,522,016.60 = 47,115,635.60/x
  3. Step 3: Cross multiply
    107,656,461.20x = 161,522,016.60 × 47,115,635.60
  4. Step 4: Simplify right side
    107,656,461.20x = 7,610,212,475,502,751
  5. Step 5: Solve for x
    x = 7,610,212,475,502,751/107,656,461.20
  6. Step 6: Final answer
    x = 70,689,788.52

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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.