Home / 105,111,788.90-144,000,745.26-101,181,889.22

Finding the Fourth Proportional to 105,111,788.90, 144,000,745.26 and 101,181,889.22

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Solution

The fourth proportional to 105,111,788.90, 144,000,745.26 and 101,181,889.22 is: 138,616,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,111,788.90 : 144,000,745.26 = 101,181,889.22 : x
  2. Step 2: Convert to fraction form
    105,111,788.90/144,000,745.26 = 101,181,889.22/x
  3. Step 3: Cross multiply
    105,111,788.90x = 144,000,745.26 × 101,181,889.22
  4. Step 4: Simplify right side
    105,111,788.90x = 14,570,267,453,988,850
  5. Step 5: Solve for x
    x = 14,570,267,453,988,850/105,111,788.90
  6. Step 6: Final answer
    x = 138,616,872.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.