Home / 65,697,447.44-90,632,342.94-42,500,055.08

Finding the Fourth Proportional to 65,697,447.44, 90,632,342.94 and 42,500,055.08

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Solution

The fourth proportional to 65,697,447.44, 90,632,342.94 and 42,500,055.08 is: 58,630,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,697,447.44 : 90,632,342.94 = 42,500,055.08 : x
  2. Step 2: Convert to fraction form
    65,697,447.44/90,632,342.94 = 42,500,055.08/x
  3. Step 3: Cross multiply
    65,697,447.44x = 90,632,342.94 × 42,500,055.08
  4. Step 4: Simplify right side
    65,697,447.44x = 3,851,879,566,979,449
  5. Step 5: Solve for x
    x = 3,851,879,566,979,449/65,697,447.44
  6. Step 6: Final answer
    x = 58,630,581.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.