Home / 140,247,968.70-210,371,949.81-38,012,004.30

Finding the Fourth Proportional to 140,247,968.70, 210,371,949.81 and 38,012,004.30

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Solution

The fourth proportional to 140,247,968.70, 210,371,949.81 and 38,012,004.30 is: 57,018,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,247,968.70 : 210,371,949.81 = 38,012,004.30 : x
  2. Step 2: Convert to fraction form
    140,247,968.70/210,371,949.81 = 38,012,004.30/x
  3. Step 3: Cross multiply
    140,247,968.70x = 210,371,949.81 × 38,012,004.30
  4. Step 4: Simplify right side
    140,247,968.70x = 7,996,659,460,777,104
  5. Step 5: Solve for x
    x = 7,996,659,460,777,104/140,247,968.70
  6. Step 6: Final answer
    x = 57,018,005.57

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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.