Home / 105,588,968.31-158,395,410.03-94,739,600.29

Finding the Fourth Proportional to 105,588,968.31, 158,395,410.03 and 94,739,600.29

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Solution

The fourth proportional to 105,588,968.31, 158,395,410.03 and 94,739,600.29 is: 142,120,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,588,968.31 : 158,395,410.03 = 94,739,600.29 : x
  2. Step 2: Convert to fraction form
    105,588,968.31/158,395,410.03 = 94,739,600.29/x
  3. Step 3: Cross multiply
    105,588,968.31x = 158,395,410.03 × 94,739,600.29
  4. Step 4: Simplify right side
    105,588,968.31x = 15,006,317,834,012,858
  5. Step 5: Solve for x
    x = 15,006,317,834,012,858/105,588,968.31
  6. Step 6: Final answer
    x = 142,120,129.36

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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.