Home / 286,107,273.90-428,586,294.69-130,446,959.45

Finding the Fourth Proportional to 286,107,273.90, 428,586,294.69 and 130,446,959.45

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Solution

The fourth proportional to 286,107,273.90, 428,586,294.69 and 130,446,959.45 is: 195,408,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,107,273.90 : 428,586,294.69 = 130,446,959.45 : x
  2. Step 2: Convert to fraction form
    286,107,273.90/428,586,294.69 = 130,446,959.45/x
  3. Step 3: Cross multiply
    286,107,273.90x = 428,586,294.69 × 130,446,959.45
  4. Step 4: Simplify right side
    286,107,273.90x = 55,907,779,002,109,248
  5. Step 5: Solve for x
    x = 55,907,779,002,109,248/286,107,273.90
  6. Step 6: Final answer
    x = 195,408,450.26

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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.