Home / 196,592,634.80-294,512,939.40-105,686,010.80

Finding the Fourth Proportional to 196,592,634.80, 294,512,939.40 and 105,686,010.80

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Solution

The fourth proportional to 196,592,634.80, 294,512,939.40 and 105,686,010.80 is: 158,326,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,592,634.80 : 294,512,939.40 = 105,686,010.80 : x
  2. Step 2: Convert to fraction form
    196,592,634.80/294,512,939.40 = 105,686,010.80/x
  3. Step 3: Cross multiply
    196,592,634.80x = 294,512,939.40 × 105,686,010.80
  4. Step 4: Simplify right side
    196,592,634.80x = 31,125,897,694,168,144
  5. Step 5: Solve for x
    x = 31,125,897,694,168,144/196,592,634.80
  6. Step 6: Final answer
    x = 158,326,875.91

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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.