Home / 101,189,010.40-139,640,881.35-54,779,264.26

Finding the Fourth Proportional to 101,189,010.40, 139,640,881.35 and 54,779,264.26

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Solution

The fourth proportional to 101,189,010.40, 139,640,881.35 and 54,779,264.26 is: 75,595,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,010.40 : 139,640,881.35 = 54,779,264.26 : x
  2. Step 2: Convert to fraction form
    101,189,010.40/139,640,881.35 = 54,779,264.26/x
  3. Step 3: Cross multiply
    101,189,010.40x = 139,640,881.35 × 54,779,264.26
  4. Step 4: Simplify right side
    101,189,010.40x = 7,649,424,740,970,955
  5. Step 5: Solve for x
    x = 7,649,424,740,970,955/101,189,010.40
  6. Step 6: Final answer
    x = 75,595,410.12

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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.