Home / 101,189,014.70-139,640,887.07-54,779,268.67

Finding the Fourth Proportional to 101,189,014.70, 139,640,887.07 and 54,779,268.67

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Solution

The fourth proportional to 101,189,014.70, 139,640,887.07 and 54,779,268.67 is: 75,595,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,014.70 : 139,640,887.07 = 54,779,268.67 : x
  2. Step 2: Convert to fraction form
    101,189,014.70/139,640,887.07 = 54,779,268.67/x
  3. Step 3: Cross multiply
    101,189,014.70x = 139,640,887.07 × 54,779,268.67
  4. Step 4: Simplify right side
    101,189,014.70x = 7,649,425,669,707,082
  5. Step 5: Solve for x
    x = 7,649,425,669,707,082/101,189,014.70
  6. Step 6: Final answer
    x = 75,595,416.09

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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.