Home / 194,238,428.10-291,310,986.15-112,179,855.30

Finding the Fourth Proportional to 194,238,428.10, 291,310,986.15 and 112,179,855.30

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Solution

The fourth proportional to 194,238,428.10, 291,310,986.15 and 112,179,855.30 is: 168,242,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,238,428.10 : 291,310,986.15 = 112,179,855.30 : x
  2. Step 2: Convert to fraction form
    194,238,428.10/291,310,986.15 = 112,179,855.30/x
  3. Step 3: Cross multiply
    194,238,428.10x = 291,310,986.15 × 112,179,855.30
  4. Step 4: Simplify right side
    194,238,428.10x = 32,679,224,273,607,300
  5. Step 5: Solve for x
    x = 32,679,224,273,607,300/194,238,428.10
  6. Step 6: Final answer
    x = 168,242,837.39

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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.