Home / 201,453,109.40-302,403,612.90-124,862,619.80

Finding the Fourth Proportional to 201,453,109.40, 302,403,612.90 and 124,862,619.80

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Solution

The fourth proportional to 201,453,109.40, 302,403,612.90 and 124,862,619.80 is: 187,432,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,453,109.40 : 302,403,612.90 = 124,862,619.80 : x
  2. Step 2: Convert to fraction form
    201,453,109.40/302,403,612.90 = 124,862,619.80/x
  3. Step 3: Cross multiply
    201,453,109.40x = 302,403,612.90 × 124,862,619.80
  4. Step 4: Simplify right side
    201,453,109.40x = 37,758,907,343,679,072
  5. Step 5: Solve for x
    x = 37,758,907,343,679,072/201,453,109.40
  6. Step 6: Final answer
    x = 187,432,735.37

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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.