Home / 254,879,063,827.57-351,741,432,979.35-139,141,994,763.45

Finding the Fourth Proportional to 254,879,063,827.57, 351,741,432,979.35 and 139,141,994,763.45

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Solution

The fourth proportional to 254,879,063,827.57, 351,741,432,979.35 and 139,141,994,763.45 is: 192,020,497,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,879,063,827.57 : 351,741,432,979.35 = 139,141,994,763.45 : x
  2. Step 2: Convert to fraction form
    254,879,063,827.57/351,741,432,979.35 = 139,141,994,763.45/x
  3. Step 3: Cross multiply
    254,879,063,827.57x = 351,741,432,979.35 × 139,141,994,763.45
  4. Step 4: Simplify right side
    254,879,063,827.57x = 48,942,004,625,701,118,935,040
  5. Step 5: Solve for x
    x = 48,942,004,625,701,118,935,040/254,879,063,827.57
  6. Step 6: Final answer
    x = 192,020,497,449.77

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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.