Home / 287,029,748.41-430,194,843.26-148,779,136.65

Finding the Fourth Proportional to 287,029,748.41, 430,194,843.26 and 148,779,136.65

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Solution

The fourth proportional to 287,029,748.41, 430,194,843.26 and 148,779,136.65 is: 222,987,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,029,748.41 : 430,194,843.26 = 148,779,136.65 : x
  2. Step 2: Convert to fraction form
    287,029,748.41/430,194,843.26 = 148,779,136.65/x
  3. Step 3: Cross multiply
    287,029,748.41x = 430,194,843.26 × 148,779,136.65
  4. Step 4: Simplify right side
    287,029,748.41x = 64,004,017,371,504,872
  5. Step 5: Solve for x
    x = 64,004,017,371,504,872/287,029,748.41
  6. Step 6: Final answer
    x = 222,987,400.18

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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.