Home / 271,559,378.83-407,266,139.01-74,775,941.76

Finding the Fourth Proportional to 271,559,378.83, 407,266,139.01 and 74,775,941.76

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Solution

The fourth proportional to 271,559,378.83, 407,266,139.01 and 74,775,941.76 is: 112,143,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,559,378.83 : 407,266,139.01 = 74,775,941.76 : x
  2. Step 2: Convert to fraction form
    271,559,378.83/407,266,139.01 = 74,775,941.76/x
  3. Step 3: Cross multiply
    271,559,378.83x = 407,266,139.01 × 74,775,941.76
  4. Step 4: Simplify right side
    271,559,378.83x = 30,453,709,091,431,824
  5. Step 5: Solve for x
    x = 30,453,709,091,431,824/271,559,378.83
  6. Step 6: Final answer
    x = 112,143,831.02

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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.