Home / 194,039,186.40-290,633,626.80-172,498,111.20

Finding the Fourth Proportional to 194,039,186.40, 290,633,626.80 and 172,498,111.20

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Solution

The fourth proportional to 194,039,186.40, 290,633,626.80 and 172,498,111.20 is: 258,369,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,039,186.40 : 290,633,626.80 = 172,498,111.20 : x
  2. Step 2: Convert to fraction form
    194,039,186.40/290,633,626.80 = 172,498,111.20/x
  3. Step 3: Cross multiply
    194,039,186.40x = 290,633,626.80 × 172,498,111.20
  4. Step 4: Simplify right side
    194,039,186.40x = 50,133,751,674,205,696
  5. Step 5: Solve for x
    x = 50,133,751,674,205,696/194,039,186.40
  6. Step 6: Final answer
    x = 258,369,211.93

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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.