Home / 81,583,032.20-122,338,637.73-43,235,561.84

Finding the Fourth Proportional to 81,583,032.20, 122,338,637.73 and 43,235,561.84

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Solution

The fourth proportional to 81,583,032.20, 122,338,637.73 and 43,235,561.84 is: 64,834,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,583,032.20 : 122,338,637.73 = 43,235,561.84 : x
  2. Step 2: Convert to fraction form
    81,583,032.20/122,338,637.73 = 43,235,561.84/x
  3. Step 3: Cross multiply
    81,583,032.20x = 122,338,637.73 × 43,235,561.84
  4. Step 4: Simplify right side
    81,583,032.20x = 5,289,379,736,996,773
  5. Step 5: Solve for x
    x = 5,289,379,736,996,773/81,583,032.20
  6. Step 6: Final answer
    x = 64,834,311.67

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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.