Home / 86,998,992.03-130,470,575.94-28,693,561.05

Finding the Fourth Proportional to 86,998,992.03, 130,470,575.94 and 28,693,561.05

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Solution

The fourth proportional to 86,998,992.03, 130,470,575.94 and 28,693,561.05 is: 43,031,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,998,992.03 : 130,470,575.94 = 28,693,561.05 : x
  2. Step 2: Convert to fraction form
    86,998,992.03/130,470,575.94 = 28,693,561.05/x
  3. Step 3: Cross multiply
    86,998,992.03x = 130,470,575.94 × 28,693,561.05
  4. Step 4: Simplify right side
    86,998,992.03x = 3,743,665,435,963,051
  5. Step 5: Solve for x
    x = 3,743,665,435,963,051/86,998,992.03
  6. Step 6: Final answer
    x = 43,031,135.75

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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.