Home / 91,355,930,048.15-136,978,043,519.07-43,563,556,921.81

Finding the Fourth Proportional to 91,355,930,048.15, 136,978,043,519.07 and 43,563,556,921.81

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Solution

The fourth proportional to 91,355,930,048.15, 136,978,043,519.07 and 43,563,556,921.81 is: 65,318,702,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,355,930,048.15 : 136,978,043,519.07 = 43,563,556,921.81 : x
  2. Step 2: Convert to fraction form
    91,355,930,048.15/136,978,043,519.07 = 43,563,556,921.81/x
  3. Step 3: Cross multiply
    91,355,930,048.15x = 136,978,043,519.07 × 43,563,556,921.81
  4. Step 4: Simplify right side
    91,355,930,048.15x = 5,967,250,795,880,899,411,968
  5. Step 5: Solve for x
    x = 5,967,250,795,880,899,411,968/91,355,930,048.15
  6. Step 6: Final answer
    x = 65,318,702,275.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.