Home / 213,454,731,111.89-320,170,820,051.22-70,014,864,932.60

Finding the Fourth Proportional to 213,454,731,111.89, 320,170,820,051.22 and 70,014,864,932.60

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Solution

The fourth proportional to 213,454,731,111.89, 320,170,820,051.22 and 70,014,864,932.60 is: 105,018,598,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,454,731,111.89 : 320,170,820,051.22 = 70,014,864,932.60 : x
  2. Step 2: Convert to fraction form
    213,454,731,111.89/320,170,820,051.22 = 70,014,864,932.60/x
  3. Step 3: Cross multiply
    213,454,731,111.89x = 320,170,820,051.22 × 70,014,864,932.60
  4. Step 4: Simplify right side
    213,454,731,111.89x = 22,416,716,721,244,346,515,456
  5. Step 5: Solve for x
    x = 22,416,716,721,244,346,515,456/213,454,731,111.89
  6. Step 6: Final answer
    x = 105,018,598,578.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.