Home / 314,380,131.21-433,834,406.87-180,440,093.70

Finding the Fourth Proportional to 314,380,131.21, 433,834,406.87 and 180,440,093.70

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Solution

The fourth proportional to 314,380,131.21, 433,834,406.87 and 180,440,093.70 is: 249,001,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,380,131.21 : 433,834,406.87 = 180,440,093.70 : x
  2. Step 2: Convert to fraction form
    314,380,131.21/433,834,406.87 = 180,440,093.70/x
  3. Step 3: Cross multiply
    314,380,131.21x = 433,834,406.87 × 180,440,093.70
  4. Step 4: Simplify right side
    314,380,131.21x = 78,281,121,025,004,512
  5. Step 5: Solve for x
    x = 78,281,121,025,004,512/314,380,131.21
  6. Step 6: Final answer
    x = 249,001,489.77

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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.