Home / 140,114,722.78-210,192,142.74-43,078,579.30

Finding the Fourth Proportional to 140,114,722.78, 210,192,142.74 and 43,078,579.30

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Solution

The fourth proportional to 140,114,722.78, 210,192,142.74 and 43,078,579.30 is: 64,624,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,114,722.78 : 210,192,142.74 = 43,078,579.30 : x
  2. Step 2: Convert to fraction form
    140,114,722.78/210,192,142.74 = 43,078,579.30/x
  3. Step 3: Cross multiply
    140,114,722.78x = 210,192,142.74 × 43,078,579.30
  4. Step 4: Simplify right side
    140,114,722.78x = 9,054,778,889,262,010
  5. Step 5: Solve for x
    x = 9,054,778,889,262,010/140,114,722.78
  6. Step 6: Final answer
    x = 64,624,036.00

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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.