Home / 101,189,029.45-139,640,907.34-54,779,283.36

Finding the Fourth Proportional to 101,189,029.45, 139,640,907.34 and 54,779,283.36

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Solution

The fourth proportional to 101,189,029.45, 139,640,907.34 and 54,779,283.36 is: 75,595,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,029.45 : 139,640,907.34 = 54,779,283.36 : x
  2. Step 2: Convert to fraction form
    101,189,029.45/139,640,907.34 = 54,779,283.36/x
  3. Step 3: Cross multiply
    101,189,029.45x = 139,640,907.34 × 54,779,283.36
  4. Step 4: Simplify right side
    101,189,029.45x = 7,649,428,831,825,364
  5. Step 5: Solve for x
    x = 7,649,428,831,825,364/101,189,029.45
  6. Step 6: Final answer
    x = 75,595,436.32

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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.