Home / 101,188,973.40-139,640,830.31-54,779,227.32

Finding the Fourth Proportional to 101,188,973.40, 139,640,830.31 and 54,779,227.32

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Solution

The fourth proportional to 101,188,973.40, 139,640,830.31 and 54,779,227.32 is: 75,595,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,188,973.40 : 139,640,830.31 = 54,779,227.32 : x
  2. Step 2: Convert to fraction form
    101,188,973.40/139,640,830.31 = 54,779,227.32/x
  3. Step 3: Cross multiply
    101,188,973.40x = 139,640,830.31 × 54,779,227.32
  4. Step 4: Simplify right side
    101,188,973.40x = 7,649,416,786,705,036
  5. Step 5: Solve for x
    x = 7,649,416,786,705,036/101,188,973.40
  6. Step 6: Final answer
    x = 75,595,359.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.