Home / 120,965,157,850.80-181,447,736,776.20-83,742,179,905.20

Finding the Fourth Proportional to 120,965,157,850.80, 181,447,736,776.20 and 83,742,179,905.20

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Solution

The fourth proportional to 120,965,157,850.80, 181,447,736,776.20 and 83,742,179,905.20 is: 125,613,269,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,965,157,850.80 : 181,447,736,776.20 = 83,742,179,905.20 : x
  2. Step 2: Convert to fraction form
    120,965,157,850.80/181,447,736,776.20 = 83,742,179,905.20/x
  3. Step 3: Cross multiply
    120,965,157,850.80x = 181,447,736,776.20 × 83,742,179,905.20
  4. Step 4: Simplify right side
    120,965,157,850.80x = 15,194,829,016,503,915,905,024
  5. Step 5: Solve for x
    x = 15,194,829,016,503,915,905,024/120,965,157,850.80
  6. Step 6: Final answer
    x = 125,613,269,857.80

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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.