Home / 69,828,191.78-96,374,630.86-40,477,883.90

Finding the Fourth Proportional to 69,828,191.78, 96,374,630.86 and 40,477,883.90

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Solution

The fourth proportional to 69,828,191.78, 96,374,630.86 and 40,477,883.90 is: 55,866,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,828,191.78 : 96,374,630.86 = 40,477,883.90 : x
  2. Step 2: Convert to fraction form
    69,828,191.78/96,374,630.86 = 40,477,883.90/x
  3. Step 3: Cross multiply
    69,828,191.78x = 96,374,630.86 × 40,477,883.90
  4. Step 4: Simplify right side
    69,828,191.78x = 3,901,041,118,273,369.50
  5. Step 5: Solve for x
    x = 3,901,041,118,273,369.50/69,828,191.78
  6. Step 6: Final answer
    x = 55,866,277.20

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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.