Home / 122,844,823,742.48-169,511,174,640.60-67,904,575,172.40

Finding the Fourth Proportional to 122,844,823,742.48, 169,511,174,640.60 and 67,904,575,172.40

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Solution

The fourth proportional to 122,844,823,742.48, 169,511,174,640.60 and 67,904,575,172.40 is: 93,700,197,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,844,823,742.48 : 169,511,174,640.60 = 67,904,575,172.40 : x
  2. Step 2: Convert to fraction form
    122,844,823,742.48/169,511,174,640.60 = 67,904,575,172.40/x
  3. Step 3: Cross multiply
    122,844,823,742.48x = 169,511,174,640.60 × 67,904,575,172.40
  4. Step 4: Simplify right side
    122,844,823,742.48x = 11,510,584,300,944,448,552,960
  5. Step 5: Solve for x
    x = 11,510,584,300,944,448,552,960/122,844,823,742.48
  6. Step 6: Final answer
    x = 93,700,197,943.01

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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.