Home / 57,237,055.50-78,979,967.52-38,692,544.85

Finding the Fourth Proportional to 57,237,055.50, 78,979,967.52 and 38,692,544.85

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Solution

The fourth proportional to 57,237,055.50, 78,979,967.52 and 38,692,544.85 is: 53,390,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,237,055.50 : 78,979,967.52 = 38,692,544.85 : x
  2. Step 2: Convert to fraction form
    57,237,055.50/78,979,967.52 = 38,692,544.85/x
  3. Step 3: Cross multiply
    57,237,055.50x = 78,979,967.52 × 38,692,544.85
  4. Step 4: Simplify right side
    57,237,055.50x = 3,055,935,935,519,143
  5. Step 5: Solve for x
    x = 3,055,935,935,519,143/57,237,055.50
  6. Step 6: Final answer
    x = 53,390,865.56

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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.