Home / 54,605,097,714.80-81,907,646,572.20-42,207,642,066.80

Finding the Fourth Proportional to 54,605,097,714.80, 81,907,646,572.20 and 42,207,642,066.80

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Solution

The fourth proportional to 54,605,097,714.80, 81,907,646,572.20 and 42,207,642,066.80 is: 63,311,463,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605,097,714.80 : 81,907,646,572.20 = 42,207,642,066.80 : x
  2. Step 2: Convert to fraction form
    54,605,097,714.80/81,907,646,572.20 = 42,207,642,066.80/x
  3. Step 3: Cross multiply
    54,605,097,714.80x = 81,907,646,572.20 × 42,207,642,066.80
  4. Step 4: Simplify right side
    54,605,097,714.80x = 3,457,128,629,053,375,905,792
  5. Step 5: Solve for x
    x = 3,457,128,629,053,375,905,792/54,605,097,714.80
  6. Step 6: Final answer
    x = 63,311,463,100.20

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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.