Home / 101,412,970.20-139,953,067.02-57,359,107.08

Finding the Fourth Proportional to 101,412,970.20, 139,953,067.02 and 57,359,107.08

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Solution

The fourth proportional to 101,412,970.20, 139,953,067.02 and 57,359,107.08 is: 79,157,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,412,970.20 : 139,953,067.02 = 57,359,107.08 : x
  2. Step 2: Convert to fraction form
    101,412,970.20/139,953,067.02 = 57,359,107.08/x
  3. Step 3: Cross multiply
    101,412,970.20x = 139,953,067.02 × 57,359,107.08
  4. Step 4: Simplify right side
    101,412,970.20x = 8,027,582,957,374,597
  5. Step 5: Solve for x
    x = 8,027,582,957,374,597/101,412,970.20
  6. Step 6: Final answer
    x = 79,157,359.67

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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.