Home / 196,592,662.80-294,512,981.40-105,686,038.80

Finding the Fourth Proportional to 196,592,662.80, 294,512,981.40 and 105,686,038.80

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Solution

The fourth proportional to 196,592,662.80, 294,512,981.40 and 105,686,038.80 is: 158,326,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,592,662.80 : 294,512,981.40 = 105,686,038.80 : x
  2. Step 2: Convert to fraction form
    196,592,662.80/294,512,981.40 = 105,686,038.80/x
  3. Step 3: Cross multiply
    196,592,662.80x = 294,512,981.40 × 105,686,038.80
  4. Step 4: Simplify right side
    196,592,662.80x = 31,125,910,379,344,076
  5. Step 5: Solve for x
    x = 31,125,910,379,344,076/196,592,662.80
  6. Step 6: Final answer
    x = 158,326,917.88

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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.