Home / 107,856,029.80-161,784,044.70-47,389,853.80

Finding the Fourth Proportional to 107,856,029.80, 161,784,044.70 and 47,389,853.80

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Solution

The fourth proportional to 107,856,029.80, 161,784,044.70 and 47,389,853.80 is: 71,084,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,856,029.80 : 161,784,044.70 = 47,389,853.80 : x
  2. Step 2: Convert to fraction form
    107,856,029.80/161,784,044.70 = 47,389,853.80/x
  3. Step 3: Cross multiply
    107,856,029.80x = 161,784,044.70 × 47,389,853.80
  4. Step 4: Simplify right side
    107,856,029.80x = 7,666,922,225,505,664
  5. Step 5: Solve for x
    x = 7,666,922,225,505,664/107,856,029.80
  6. Step 6: Final answer
    x = 71,084,780.70

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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.