Home / 141,971,607.64-195,920,949.54-76,781,511.64

Finding the Fourth Proportional to 141,971,607.64, 195,920,949.54 and 76,781,511.64

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Solution

The fourth proportional to 141,971,607.64, 195,920,949.54 and 76,781,511.64 is: 105,958,556.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971,607.64 : 195,920,949.54 = 76,781,511.64 : x
  2. Step 2: Convert to fraction form
    141,971,607.64/195,920,949.54 = 76,781,511.64/x
  3. Step 3: Cross multiply
    141,971,607.64x = 195,920,949.54 × 76,781,511.64
  4. Step 4: Simplify right side
    141,971,607.64x = 15,043,106,667,625,362
  5. Step 5: Solve for x
    x = 15,043,106,667,625,362/141,971,607.64
  6. Step 6: Final answer
    x = 105,958,556.91

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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.