Home / 141,768,939.24-212,684,641.20-43,401,389.88

Finding the Fourth Proportional to 141,768,939.24, 212,684,641.20 and 43,401,389.88

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Solution

The fourth proportional to 141,768,939.24, 212,684,641.20 and 43,401,389.88 is: 65,111,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,768,939.24 : 212,684,641.20 = 43,401,389.88 : x
  2. Step 2: Convert to fraction form
    141,768,939.24/212,684,641.20 = 43,401,389.88/x
  3. Step 3: Cross multiply
    141,768,939.24x = 212,684,641.20 × 43,401,389.88
  4. Step 4: Simplify right side
    141,768,939.24x = 9,230,809,034,209,112
  5. Step 5: Solve for x
    x = 9,230,809,034,209,112/141,768,939.24
  6. Step 6: Final answer
    x = 65,111,646.34

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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.