Home / 380,946,467.08-571,282,687.78-131,884,095.94

Finding the Fourth Proportional to 380,946,467.08, 571,282,687.78 and 131,884,095.94

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Solution

The fourth proportional to 380,946,467.08, 571,282,687.78 and 131,884,095.94 is: 197,778,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,946,467.08 : 571,282,687.78 = 131,884,095.94 : x
  2. Step 2: Convert to fraction form
    380,946,467.08/571,282,687.78 = 131,884,095.94/x
  3. Step 3: Cross multiply
    380,946,467.08x = 571,282,687.78 × 131,884,095.94
  4. Step 4: Simplify right side
    380,946,467.08x = 75,343,100,804,038,576
  5. Step 5: Solve for x
    x = 75,343,100,804,038,576/380,946,467.08
  6. Step 6: Final answer
    x = 197,778,709.91

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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.