Home / 101,188,974.08-139,640,831.26-54,779,228.01

Finding the Fourth Proportional to 101,188,974.08, 139,640,831.26 and 54,779,228.01

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Solution

The fourth proportional to 101,188,974.08, 139,640,831.26 and 54,779,228.01 is: 75,595,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,188,974.08 : 139,640,831.26 = 54,779,228.01 : x
  2. Step 2: Convert to fraction form
    101,188,974.08/139,640,831.26 = 54,779,228.01/x
  3. Step 3: Cross multiply
    101,188,974.08x = 139,640,831.26 × 54,779,228.01
  4. Step 4: Simplify right side
    101,188,974.08x = 7,649,416,934,960,527
  5. Step 5: Solve for x
    x = 7,649,416,934,960,527/101,188,974.08
  6. Step 6: Final answer
    x = 75,595,360.11

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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.