Home / 43,778,680.40-65,668,020.60-38,739,832.40

Finding the Fourth Proportional to 43,778,680.40, 65,668,020.60 and 38,739,832.40

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Solution

The fourth proportional to 43,778,680.40, 65,668,020.60 and 38,739,832.40 is: 58,109,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,778,680.40 : 65,668,020.60 = 38,739,832.40 : x
  2. Step 2: Convert to fraction form
    43,778,680.40/65,668,020.60 = 38,739,832.40/x
  3. Step 3: Cross multiply
    43,778,680.40x = 65,668,020.60 × 38,739,832.40
  4. Step 4: Simplify right side
    43,778,680.40x = 2,543,968,112,083,747.50
  5. Step 5: Solve for x
    x = 2,543,968,112,083,747.50/43,778,680.40
  6. Step 6: Final answer
    x = 58,109,748.60

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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.