Home / 57,721,698.78-79,663,869.46-35,390,735.68

Finding the Fourth Proportional to 57,721,698.78, 79,663,869.46 and 35,390,735.68

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Solution

The fourth proportional to 57,721,698.78, 79,663,869.46 and 35,390,735.68 is: 48,844,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721,698.78 : 79,663,869.46 = 35,390,735.68 : x
  2. Step 2: Convert to fraction form
    57,721,698.78/79,663,869.46 = 35,390,735.68/x
  3. Step 3: Cross multiply
    57,721,698.78x = 79,663,869.46 × 35,390,735.68
  4. Step 4: Simplify right side
    57,721,698.78x = 2,819,362,947,127,930.50
  5. Step 5: Solve for x
    x = 2,819,362,947,127,930.50/57,721,698.78
  6. Step 6: Final answer
    x = 48,844,074.36

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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.