Home / 194,236,980.30-291,313,480.05-85,061,940.30

Finding the Fourth Proportional to 194,236,980.30, 291,313,480.05 and 85,061,940.30

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Solution

The fourth proportional to 194,236,980.30, 291,313,480.05 and 85,061,940.30 is: 127,574,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,236,980.30 : 291,313,480.05 = 85,061,940.30 : x
  2. Step 2: Convert to fraction form
    194,236,980.30/291,313,480.05 = 85,061,940.30/x
  3. Step 3: Cross multiply
    194,236,980.30x = 291,313,480.05 × 85,061,940.30
  4. Step 4: Simplify right side
    194,236,980.30x = 24,779,689,848,598,340
  5. Step 5: Solve for x
    x = 24,779,689,848,598,340/194,236,980.30
  6. Step 6: Final answer
    x = 127,574,521.65

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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.