Home / 144,366,408.30-216,523,040.40-89,681,129.40

Finding the Fourth Proportional to 144,366,408.30, 216,523,040.40 and 89,681,129.40

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Solution

The fourth proportional to 144,366,408.30, 216,523,040.40 and 89,681,129.40 is: 134,505,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,366,408.30 : 216,523,040.40 = 89,681,129.40 : x
  2. Step 2: Convert to fraction form
    144,366,408.30/216,523,040.40 = 89,681,129.40/x
  3. Step 3: Cross multiply
    144,366,408.30x = 216,523,040.40 × 89,681,129.40
  4. Step 4: Simplify right side
    144,366,408.30x = 19,418,030,804,193,828
  5. Step 5: Solve for x
    x = 19,418,030,804,193,828/144,366,408.30
  6. Step 6: Final answer
    x = 134,505,187.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.