Home / 142,611,342.54-196,804,471.20-83,876,483.22

Finding the Fourth Proportional to 142,611,342.54, 196,804,471.20 and 83,876,483.22

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Solution

The fourth proportional to 142,611,342.54, 196,804,471.20 and 83,876,483.22 is: 115,750,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,611,342.54 : 196,804,471.20 = 83,876,483.22 : x
  2. Step 2: Convert to fraction form
    142,611,342.54/196,804,471.20 = 83,876,483.22/x
  3. Step 3: Cross multiply
    142,611,342.54x = 196,804,471.20 × 83,876,483.22
  4. Step 4: Simplify right side
    142,611,342.54x = 16,507,266,926,227,772
  5. Step 5: Solve for x
    x = 16,507,266,926,227,772/142,611,342.54
  6. Step 6: Final answer
    x = 115,750,028.24

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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.