Home / 193,555,990.80-290,669,909.40-102,856,726.80

Finding the Fourth Proportional to 193,555,990.80, 290,669,909.40 and 102,856,726.80

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Solution

The fourth proportional to 193,555,990.80, 290,669,909.40 and 102,856,726.80 is: 154,463,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,990.80 : 290,669,909.40 = 102,856,726.80 : x
  2. Step 2: Convert to fraction form
    193,555,990.80/290,669,909.40 = 102,856,726.80/x
  3. Step 3: Cross multiply
    193,555,990.80x = 290,669,909.40 × 102,856,726.80
  4. Step 4: Simplify right side
    193,555,990.80x = 29,897,355,460,136,548
  5. Step 5: Solve for x
    x = 29,897,355,460,136,548/193,555,990.80
  6. Step 6: Final answer
    x = 154,463,601.65

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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.