Home / 76,916,893,453.12-106,145,936,197.60-42,623,172,846.72

Finding the Fourth Proportional to 76,916,893,453.12, 106,145,936,197.60 and 42,623,172,846.72

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Solution

The fourth proportional to 76,916,893,453.12, 106,145,936,197.60 and 42,623,172,846.72 is: 58,820,323,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,916,893,453.12 : 106,145,936,197.60 = 42,623,172,846.72 : x
  2. Step 2: Convert to fraction form
    76,916,893,453.12/106,145,936,197.60 = 42,623,172,846.72/x
  3. Step 3: Cross multiply
    76,916,893,453.12x = 106,145,936,197.60 × 42,623,172,846.72
  4. Step 4: Simplify right side
    76,916,893,453.12x = 4,524,276,585,527,218,012,160
  5. Step 5: Solve for x
    x = 4,524,276,585,527,218,012,160/76,916,893,453.12
  6. Step 6: Final answer
    x = 58,820,323,890.03

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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.