Home / 101,189,010.90-139,640,882.04-54,779,264.76

Finding the Fourth Proportional to 101,189,010.90, 139,640,882.04 and 54,779,264.76

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Solution

The fourth proportional to 101,189,010.90, 139,640,882.04 and 54,779,264.76 is: 75,595,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,010.90 : 139,640,882.04 = 54,779,264.76 : x
  2. Step 2: Convert to fraction form
    101,189,010.90/139,640,882.04 = 54,779,264.76/x
  3. Step 3: Cross multiply
    101,189,010.90x = 139,640,882.04 × 54,779,264.76
  4. Step 4: Simplify right side
    101,189,010.90x = 7,649,424,848,589,088
  5. Step 5: Solve for x
    x = 7,649,424,848,589,088/101,189,010.90
  6. Step 6: Final answer
    x = 75,595,410.81

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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.