Home / 194,018,835.20-291,240,829.20-121,317,706.40

Finding the Fourth Proportional to 194,018,835.20, 291,240,829.20 and 121,317,706.40

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Solution

The fourth proportional to 194,018,835.20, 291,240,829.20 and 121,317,706.40 is: 182,109,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,018,835.20 : 291,240,829.20 = 121,317,706.40 : x
  2. Step 2: Convert to fraction form
    194,018,835.20/291,240,829.20 = 121,317,706.40/x
  3. Step 3: Cross multiply
    194,018,835.20x = 291,240,829.20 × 121,317,706.40
  4. Step 4: Simplify right side
    194,018,835.20x = 35,332,669,408,578,148
  5. Step 5: Solve for x
    x = 35,332,669,408,578,148/194,018,835.20
  6. Step 6: Final answer
    x = 182,109,481.13

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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.