Home / 101,412,939.20-139,953,024.16-57,359,076

Finding the Fourth Proportional to 101,412,939.20, 139,953,024.16 and 57,359,076

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Solution

The fourth proportional to 101,412,939.20, 139,953,024.16 and 57,359,076 is: 79,157,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,412,939.20 : 139,953,024.16 = 57,359,076 : x
  2. Step 2: Convert to fraction form
    101,412,939.20/139,953,024.16 = 57,359,076/x
  3. Step 3: Cross multiply
    101,412,939.20x = 139,953,024.16 × 57,359,076
  4. Step 4: Simplify right side
    101,412,939.20x = 8,027,576,149,223,276
  5. Step 5: Solve for x
    x = 8,027,576,149,223,276/101,412,939.20
  6. Step 6: Final answer
    x = 79,157,316.73

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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.