Home / 55,139,168.84-76,091,427.87-30,358,849.64

Finding the Fourth Proportional to 55,139,168.84, 76,091,427.87 and 30,358,849.64

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Solution

The fourth proportional to 55,139,168.84, 76,091,427.87 and 30,358,849.64 is: 41,894,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139,168.84 : 76,091,427.87 = 30,358,849.64 : x
  2. Step 2: Convert to fraction form
    55,139,168.84/76,091,427.87 = 30,358,849.64/x
  3. Step 3: Cross multiply
    55,139,168.84x = 76,091,427.87 × 30,358,849.64
  4. Step 4: Simplify right side
    55,139,168.84x = 2,310,048,217,598,235.50
  5. Step 5: Solve for x
    x = 2,310,048,217,598,235.50/55,139,168.84
  6. Step 6: Final answer
    x = 41,894,868.32

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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.