Home / 115,566,226.78-173,346,911.49-28,128,231.59

Finding the Fourth Proportional to 115,566,226.78, 173,346,911.49 and 28,128,231.59

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Solution

The fourth proportional to 115,566,226.78, 173,346,911.49 and 28,128,231.59 is: 42,191,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,566,226.78 : 173,346,911.49 = 28,128,231.59 : x
  2. Step 2: Convert to fraction form
    115,566,226.78/173,346,911.49 = 28,128,231.59/x
  3. Step 3: Cross multiply
    115,566,226.78x = 173,346,911.49 × 28,128,231.59
  4. Step 4: Simplify right side
    115,566,226.78x = 4,875,942,071,040,699
  5. Step 5: Solve for x
    x = 4,875,942,071,040,699/115,566,226.78
  6. Step 6: Final answer
    x = 42,191,756.25

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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.