Home / 250,508,917,896.12-345,702,362,979.18-137,860,432,008.12

Finding the Fourth Proportional to 250,508,917,896.12, 345,702,362,979.18 and 137,860,432,008.12

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Solution

The fourth proportional to 250,508,917,896.12, 345,702,362,979.18 and 137,860,432,008.12 is: 190,247,427,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,508,917,896.12 : 345,702,362,979.18 = 137,860,432,008.12 : x
  2. Step 2: Convert to fraction form
    250,508,917,896.12/345,702,362,979.18 = 137,860,432,008.12/x
  3. Step 3: Cross multiply
    250,508,917,896.12x = 345,702,362,979.18 × 137,860,432,008.12
  4. Step 4: Simplify right side
    250,508,917,896.12x = 47,658,677,106,537,664,610,304
  5. Step 5: Solve for x
    x = 47,658,677,106,537,664,610,304/250,508,917,896.12
  6. Step 6: Final answer
    x = 190,247,427,144.69

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1.5x scale

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.