Home / 194,238,429.10-291,310,987.65-112,179,856.30

Finding the Fourth Proportional to 194,238,429.10, 291,310,987.65 and 112,179,856.30

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Solution

The fourth proportional to 194,238,429.10, 291,310,987.65 and 112,179,856.30 is: 168,242,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,238,429.10 : 291,310,987.65 = 112,179,856.30 : x
  2. Step 2: Convert to fraction form
    194,238,429.10/291,310,987.65 = 112,179,856.30/x
  3. Step 3: Cross multiply
    194,238,429.10x = 291,310,987.65 × 112,179,856.30
  4. Step 4: Simplify right side
    194,238,429.10x = 32,679,224,733,188,072
  5. Step 5: Solve for x
    x = 32,679,224,733,188,072/194,238,429.10
  6. Step 6: Final answer
    x = 168,242,838.89

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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.