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Finding the Fourth Proportional to 110,792,013, 152,893,042.74 and 61,899,441

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Solution

The fourth proportional to 110,792,013, 152,893,042.74 and 61,899,441 is: 85,421,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,792,013 : 152,893,042.74 = 61,899,441 : x
  2. Step 2: Convert to fraction form
    110,792,013/152,893,042.74 = 61,899,441/x
  3. Step 3: Cross multiply
    110,792,013x = 152,893,042.74 × 61,899,441
  4. Step 4: Simplify right side
    110,792,013x = 9,463,993,878,395,108
  5. Step 5: Solve for x
    x = 9,463,993,878,395,108/110,792,013
  6. Step 6: Final answer
    x = 85,421,264.78

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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.