Home / 79,919,771.64-110,289,240.54-45,112,762.68

Finding the Fourth Proportional to 79,919,771.64, 110,289,240.54 and 45,112,762.68

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Solution

The fourth proportional to 79,919,771.64, 110,289,240.54 and 45,112,762.68 is: 62,255,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,919,771.64 : 110,289,240.54 = 45,112,762.68 : x
  2. Step 2: Convert to fraction form
    79,919,771.64/110,289,240.54 = 45,112,762.68/x
  3. Step 3: Cross multiply
    79,919,771.64x = 110,289,240.54 × 45,112,762.68
  4. Step 4: Simplify right side
    79,919,771.64x = 4,975,452,334,638,455
  5. Step 5: Solve for x
    x = 4,975,452,334,638,455/79,919,771.64
  6. Step 6: Final answer
    x = 62,255,587.48

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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.