Home / 140,114,585.76-210,191,936.94-43,078,441.20

Finding the Fourth Proportional to 140,114,585.76, 210,191,936.94 and 43,078,441.20

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Solution

The fourth proportional to 140,114,585.76, 210,191,936.94 and 43,078,441.20 is: 64,623,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,114,585.76 : 210,191,936.94 = 43,078,441.20 : x
  2. Step 2: Convert to fraction form
    140,114,585.76/210,191,936.94 = 43,078,441.20/x
  3. Step 3: Cross multiply
    140,114,585.76x = 210,191,936.94 × 43,078,441.20
  4. Step 4: Simplify right side
    140,114,585.76x = 9,054,740,996,183,898
  5. Step 5: Solve for x
    x = 9,054,740,996,183,898/140,114,585.76
  6. Step 6: Final answer
    x = 64,623,828.75

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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.