Home / 93,009,615.40-139,183,748.70-81,010,858.60

Finding the Fourth Proportional to 93,009,615.40, 139,183,748.70 and 81,010,858.60

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Solution

The fourth proportional to 93,009,615.40, 139,183,748.70 and 81,010,858.60 is: 121,228,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,009,615.40 : 139,183,748.70 = 81,010,858.60 : x
  2. Step 2: Convert to fraction form
    93,009,615.40/139,183,748.70 = 81,010,858.60/x
  3. Step 3: Cross multiply
    93,009,615.40x = 139,183,748.70 × 81,010,858.60
  4. Step 4: Simplify right side
    93,009,615.40x = 11,275,394,985,353,632
  5. Step 5: Solve for x
    x = 11,275,394,985,353,632/93,009,615.40
  6. Step 6: Final answer
    x = 121,228,272.33

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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.