Home / 201,408,071.30-302,236,522.95-80,226,887.30

Finding the Fourth Proportional to 201,408,071.30, 302,236,522.95 and 80,226,887.30

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Solution

The fourth proportional to 201,408,071.30, 302,236,522.95 and 80,226,887.30 is: 120,389,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,408,071.30 : 302,236,522.95 = 80,226,887.30 : x
  2. Step 2: Convert to fraction form
    201,408,071.30/302,236,522.95 = 80,226,887.30/x
  3. Step 3: Cross multiply
    201,408,071.30x = 302,236,522.95 × 80,226,887.30
  4. Step 4: Simplify right side
    201,408,071.30x = 24,247,495,464,653,512
  5. Step 5: Solve for x
    x = 24,247,495,464,653,512/201,408,071.30
  6. Step 6: Final answer
    x = 120,389,889.58

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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.