Home / 141,971,607.89-195,920,949.89-76,781,511.89

Finding the Fourth Proportional to 141,971,607.89, 195,920,949.89 and 76,781,511.89

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Solution

The fourth proportional to 141,971,607.89, 195,920,949.89 and 76,781,511.89 is: 105,958,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971,607.89 : 195,920,949.89 = 76,781,511.89 : x
  2. Step 2: Convert to fraction form
    141,971,607.89/195,920,949.89 = 76,781,511.89/x
  3. Step 3: Cross multiply
    141,971,607.89x = 195,920,949.89 × 76,781,511.89
  4. Step 4: Simplify right side
    141,971,607.89x = 15,043,106,743,095,222
  5. Step 5: Solve for x
    x = 15,043,106,743,095,222/141,971,607.89
  6. Step 6: Final answer
    x = 105,958,557.25

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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.