Home / 120,967,464.40-181,451,196.60-30,091,053.40

Finding the Fourth Proportional to 120,967,464.40, 181,451,196.60 and 30,091,053.40

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Solution

The fourth proportional to 120,967,464.40, 181,451,196.60 and 30,091,053.40 is: 45,136,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,967,464.40 : 181,451,196.60 = 30,091,053.40 : x
  2. Step 2: Convert to fraction form
    120,967,464.40/181,451,196.60 = 30,091,053.40/x
  3. Step 3: Cross multiply
    120,967,464.40x = 181,451,196.60 × 30,091,053.40
  4. Step 4: Simplify right side
    120,967,464.40x = 5,460,057,646,384,498
  5. Step 5: Solve for x
    x = 5,460,057,646,384,498/120,967,464.40
  6. Step 6: Final answer
    x = 45,136,580.10

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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.