Home / 68,467,939,967.63-94,446,501,232.73-42,702,487,891.40

Finding the Fourth Proportional to 68,467,939,967.63, 94,446,501,232.73 and 42,702,487,891.40

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Solution

The fourth proportional to 68,467,939,967.63, 94,446,501,232.73 and 42,702,487,891.40 is: 58,904,949,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,467,939,967.63 : 94,446,501,232.73 = 42,702,487,891.40 : x
  2. Step 2: Convert to fraction form
    68,467,939,967.63/94,446,501,232.73 = 42,702,487,891.40/x
  3. Step 3: Cross multiply
    68,467,939,967.63x = 94,446,501,232.73 × 42,702,487,891.40
  4. Step 4: Simplify right side
    68,467,939,967.63x = 4,033,100,575,275,346,296,832
  5. Step 5: Solve for x
    x = 4,033,100,575,275,346,296,832/68,467,939,967.63
  6. Step 6: Final answer
    x = 58,904,949,925.21

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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.