Home / 57,237,057.50-78,979,970.28-38,692,546.86

Finding the Fourth Proportional to 57,237,057.50, 78,979,970.28 and 38,692,546.86

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Solution

The fourth proportional to 57,237,057.50, 78,979,970.28 and 38,692,546.86 is: 53,390,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,237,057.50 : 78,979,970.28 = 38,692,546.86 : x
  2. Step 2: Convert to fraction form
    57,237,057.50/78,979,970.28 = 38,692,546.86/x
  3. Step 3: Cross multiply
    57,237,057.50x = 78,979,970.28 × 38,692,546.86
  4. Step 4: Simplify right side
    57,237,057.50x = 3,055,936,201,060,307.50
  5. Step 5: Solve for x
    x = 3,055,936,201,060,307.50/57,237,057.50
  6. Step 6: Final answer
    x = 53,390,868.34

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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.