Home / 104,459,278.98-144,001,874.79-72,999,657.15

Finding the Fourth Proportional to 104,459,278.98, 144,001,874.79 and 72,999,657.15

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Solution

The fourth proportional to 104,459,278.98, 144,001,874.79 and 72,999,657.15 is: 100,633,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,459,278.98 : 144,001,874.79 = 72,999,657.15 : x
  2. Step 2: Convert to fraction form
    104,459,278.98/144,001,874.79 = 72,999,657.15/x
  3. Step 3: Cross multiply
    104,459,278.98x = 144,001,874.79 × 72,999,657.15
  4. Step 4: Simplify right side
    104,459,278.98x = 10,512,087,488,627,228
  5. Step 5: Solve for x
    x = 10,512,087,488,627,228/104,459,278.98
  6. Step 6: Final answer
    x = 100,633,352.93

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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.