Home / 101,189,014.92-139,640,887.56-54,779,268.76

Finding the Fourth Proportional to 101,189,014.92, 139,640,887.56 and 54,779,268.76

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Solution

The fourth proportional to 101,189,014.92, 139,640,887.56 and 54,779,268.76 is: 75,595,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,014.92 : 139,640,887.56 = 54,779,268.76 : x
  2. Step 2: Convert to fraction form
    101,189,014.92/139,640,887.56 = 54,779,268.76/x
  3. Step 3: Cross multiply
    101,189,014.92x = 139,640,887.56 × 54,779,268.76
  4. Step 4: Simplify right side
    101,189,014.92x = 7,649,425,709,534,180
  5. Step 5: Solve for x
    x = 7,649,425,709,534,180/101,189,014.92
  6. Step 6: Final answer
    x = 75,595,416.32

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1.5x scale

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.