Home / 101,189,036.10-139,640,916.48-54,779,289.98

Finding the Fourth Proportional to 101,189,036.10, 139,640,916.48 and 54,779,289.98

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Solution

The fourth proportional to 101,189,036.10, 139,640,916.48 and 54,779,289.98 is: 75,595,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,036.10 : 139,640,916.48 = 54,779,289.98 : x
  2. Step 2: Convert to fraction form
    101,189,036.10/139,640,916.48 = 54,779,289.98/x
  3. Step 3: Cross multiply
    101,189,036.10x = 139,640,916.48 × 54,779,289.98
  4. Step 4: Simplify right side
    101,189,036.10x = 7,649,430,256,930,880
  5. Step 5: Solve for x
    x = 7,649,430,256,930,880/101,189,036.10
  6. Step 6: Final answer
    x = 75,595,445.43

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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.