Home / 65,723,395.54-90,223,341.91-56,414,805.07

Finding the Fourth Proportional to 65,723,395.54, 90,223,341.91 and 56,414,805.07

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Solution

The fourth proportional to 65,723,395.54, 90,223,341.91 and 56,414,805.07 is: 77,444,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723,395.54 : 90,223,341.91 = 56,414,805.07 : x
  2. Step 2: Convert to fraction form
    65,723,395.54/90,223,341.91 = 56,414,805.07/x
  3. Step 3: Cross multiply
    65,723,395.54x = 90,223,341.91 × 56,414,805.07
  4. Step 4: Simplify right side
    65,723,395.54x = 5,089,932,246,165,494
  5. Step 5: Solve for x
    x = 5,089,932,246,165,494/65,723,395.54
  6. Step 6: Final answer
    x = 77,444,754.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.