Home / 108,021,170,640.84-161,968,948,852.06-40,873,602,822.90

Finding the Fourth Proportional to 108,021,170,640.84, 161,968,948,852.06 and 40,873,602,822.90

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Solution

The fourth proportional to 108,021,170,640.84, 161,968,948,852.06 and 40,873,602,822.90 is: 61,286,638,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,021,170,640.84 : 161,968,948,852.06 = 40,873,602,822.90 : x
  2. Step 2: Convert to fraction form
    108,021,170,640.84/161,968,948,852.06 = 40,873,602,822.90/x
  3. Step 3: Cross multiply
    108,021,170,640.84x = 161,968,948,852.06 × 40,873,602,822.90
  4. Step 4: Simplify right side
    108,021,170,640.84x = 6,620,254,485,021,705,895,936
  5. Step 5: Solve for x
    x = 6,620,254,485,021,705,895,936/108,021,170,640.84
  6. Step 6: Final answer
    x = 61,286,638,959.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.