Home / 61,118,789.22-84,365,868.05-36,338,916.95

Finding the Fourth Proportional to 61,118,789.22, 84,365,868.05 and 36,338,916.95

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Solution

The fourth proportional to 61,118,789.22, 84,365,868.05 and 36,338,916.95 is: 50,160,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,118,789.22 : 84,365,868.05 = 36,338,916.95 : x
  2. Step 2: Convert to fraction form
    61,118,789.22/84,365,868.05 = 36,338,916.95/x
  3. Step 3: Cross multiply
    61,118,789.22x = 84,365,868.05 × 36,338,916.95
  4. Step 4: Simplify right side
    61,118,789.22x = 3,065,764,272,483,608.50
  5. Step 5: Solve for x
    x = 3,065,764,272,483,608.50/61,118,789.22
  6. Step 6: Final answer
    x = 50,160,749.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.