Home / 109,390,869,740.25-164,274,084,139.41-67,143,845,822.58

Finding the Fourth Proportional to 109,390,869,740.25, 164,274,084,139.41 and 67,143,845,822.58

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Solution

The fourth proportional to 109,390,869,740.25, 164,274,084,139.41 and 67,143,845,822.58 is: 100,831,027,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,390,869,740.25 : 164,274,084,139.41 = 67,143,845,822.58 : x
  2. Step 2: Convert to fraction form
    109,390,869,740.25/164,274,084,139.41 = 67,143,845,822.58/x
  3. Step 3: Cross multiply
    109,390,869,740.25x = 164,274,084,139.41 × 67,143,845,822.58
  4. Step 4: Simplify right side
    109,390,869,740.25x = 11,029,993,778,102,080,110,592
  5. Step 5: Solve for x
    x = 11,029,993,778,102,080,110,592/109,390,869,740.25
  6. Step 6: Final answer
    x = 100,831,027,345.27

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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.