Home / 196,399,109.04-294,683,616.36-105,416,409.84

Finding the Fourth Proportional to 196,399,109.04, 294,683,616.36 and 105,416,409.84

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Solution

The fourth proportional to 196,399,109.04, 294,683,616.36 and 105,416,409.84 is: 158,170,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,399,109.04 : 294,683,616.36 = 105,416,409.84 : x
  2. Step 2: Convert to fraction form
    196,399,109.04/294,683,616.36 = 105,416,409.84/x
  3. Step 3: Cross multiply
    196,399,109.04x = 294,683,616.36 × 105,416,409.84
  4. Step 4: Simplify right side
    196,399,109.04x = 31,064,488,875,339,092
  5. Step 5: Solve for x
    x = 31,064,488,875,339,092/196,399,109.04
  6. Step 6: Final answer
    x = 158,170,212.82

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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.