Home / 142,154,998.80-196,204,206.60-97,561,971.60

Finding the Fourth Proportional to 142,154,998.80, 196,204,206.60 and 97,561,971.60

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Solution

The fourth proportional to 142,154,998.80, 196,204,206.60 and 97,561,971.60 is: 134,656,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,154,998.80 : 196,204,206.60 = 97,561,971.60 : x
  2. Step 2: Convert to fraction form
    142,154,998.80/196,204,206.60 = 97,561,971.60/x
  3. Step 3: Cross multiply
    142,154,998.80x = 196,204,206.60 × 97,561,971.60
  4. Step 4: Simplify right side
    142,154,998.80x = 19,142,069,232,109,732
  5. Step 5: Solve for x
    x = 19,142,069,232,109,732/142,154,998.80
  6. Step 6: Final answer
    x = 134,656,321.58

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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.