Home / 190,053,018.12-262,273,165.02-103,132,890.12

Finding the Fourth Proportional to 190,053,018.12, 262,273,165.02 and 103,132,890.12

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Solution

The fourth proportional to 190,053,018.12, 262,273,165.02 and 103,132,890.12 is: 142,323,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,053,018.12 : 262,273,165.02 = 103,132,890.12 : x
  2. Step 2: Convert to fraction form
    190,053,018.12/262,273,165.02 = 103,132,890.12/x
  3. Step 3: Cross multiply
    190,053,018.12x = 262,273,165.02 × 103,132,890.12
  4. Step 4: Simplify right side
    190,053,018.12x = 27,048,989,509,432,288
  5. Step 5: Solve for x
    x = 27,048,989,509,432,288/190,053,018.12
  6. Step 6: Final answer
    x = 142,323,388.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.