Home / 201,852,210.30-302,778,315.45-165,979,942.80

Finding the Fourth Proportional to 201,852,210.30, 302,778,315.45 and 165,979,942.80

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Solution

The fourth proportional to 201,852,210.30, 302,778,315.45 and 165,979,942.80 is: 248,969,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,210.30 : 302,778,315.45 = 165,979,942.80 : x
  2. Step 2: Convert to fraction form
    201,852,210.30/302,778,315.45 = 165,979,942.80/x
  3. Step 3: Cross multiply
    201,852,210.30x = 302,778,315.45 × 165,979,942.80
  4. Step 4: Simplify right side
    201,852,210.30x = 50,255,127,479,471,360
  5. Step 5: Solve for x
    x = 50,255,127,479,471,360/201,852,210.30
  6. Step 6: Final answer
    x = 248,969,914.20

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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.