Home / 193,555,367.40-290,333,051.10-172,392,205.80

Finding the Fourth Proportional to 193,555,367.40, 290,333,051.10 and 172,392,205.80

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Solution

The fourth proportional to 193,555,367.40, 290,333,051.10 and 172,392,205.80 is: 258,588,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,367.40 : 290,333,051.10 = 172,392,205.80 : x
  2. Step 2: Convert to fraction form
    193,555,367.40/290,333,051.10 = 172,392,205.80/x
  3. Step 3: Cross multiply
    193,555,367.40x = 290,333,051.10 × 172,392,205.80
  4. Step 4: Simplify right side
    193,555,367.40x = 50,051,155,095,773,120
  5. Step 5: Solve for x
    x = 50,051,155,095,773,120/193,555,367.40
  6. Step 6: Final answer
    x = 258,588,308.70

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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.