Home / 105,192,005.80-157,788,008.70-79,682,837.80

Finding the Fourth Proportional to 105,192,005.80, 157,788,008.70 and 79,682,837.80

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Solution

The fourth proportional to 105,192,005.80, 157,788,008.70 and 79,682,837.80 is: 119,524,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192,005.80 : 157,788,008.70 = 79,682,837.80 : x
  2. Step 2: Convert to fraction form
    105,192,005.80/157,788,008.70 = 79,682,837.80/x
  3. Step 3: Cross multiply
    105,192,005.80x = 157,788,008.70 × 79,682,837.80
  4. Step 4: Simplify right side
    105,192,005.80x = 12,572,996,304,027,088
  5. Step 5: Solve for x
    x = 12,572,996,304,027,088/105,192,005.80
  6. Step 6: Final answer
    x = 119,524,256.70

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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.