Home / 190,079,817.50-262,310,148.15-103,159,689.50

Finding the Fourth Proportional to 190,079,817.50, 262,310,148.15 and 103,159,689.50

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Solution

The fourth proportional to 190,079,817.50, 262,310,148.15 and 103,159,689.50 is: 142,360,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,079,817.50 : 262,310,148.15 = 103,159,689.50 : x
  2. Step 2: Convert to fraction form
    190,079,817.50/262,310,148.15 = 103,159,689.50/x
  3. Step 3: Cross multiply
    190,079,817.50x = 262,310,148.15 × 103,159,689.50
  4. Step 4: Simplify right side
    190,079,817.50x = 27,059,833,435,853,000
  5. Step 5: Solve for x
    x = 27,059,833,435,853,000/190,079,817.50
  6. Step 6: Final answer
    x = 142,360,371.51

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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.