Home / 193,085,886.16-289,622,418.90-83,911,161.86

Finding the Fourth Proportional to 193,085,886.16, 289,622,418.90 and 83,911,161.86

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Solution

The fourth proportional to 193,085,886.16, 289,622,418.90 and 83,911,161.86 is: 125,863,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,085,886.16 : 289,622,418.90 = 83,911,161.86 : x
  2. Step 2: Convert to fraction form
    193,085,886.16/289,622,418.90 = 83,911,161.86/x
  3. Step 3: Cross multiply
    193,085,886.16x = 289,622,418.90 × 83,911,161.86
  4. Step 4: Simplify right side
    193,085,886.16x = 24,302,553,670,602,620
  5. Step 5: Solve for x
    x = 24,302,553,670,602,620/193,085,886.16
  6. Step 6: Final answer
    x = 125,863,956.99

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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.