Home / 190,079,818.50-262,310,149.53-103,159,690.50

Finding the Fourth Proportional to 190,079,818.50, 262,310,149.53 and 103,159,690.50

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Solution

The fourth proportional to 190,079,818.50, 262,310,149.53 and 103,159,690.50 is: 142,360,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,079,818.50 : 262,310,149.53 = 103,159,690.50 : x
  2. Step 2: Convert to fraction form
    190,079,818.50/262,310,149.53 = 103,159,690.50/x
  3. Step 3: Cross multiply
    190,079,818.50x = 262,310,149.53 × 103,159,690.50
  4. Step 4: Simplify right side
    190,079,818.50x = 27,059,833,840,523,520
  5. Step 5: Solve for x
    x = 27,059,833,840,523,520/190,079,818.50
  6. Step 6: Final answer
    x = 142,360,372.89

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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.