Home / 219,939,598.17-303,511,351.51-122,154,531.93

Finding the Fourth Proportional to 219,939,598.17, 303,511,351.51 and 122,154,531.93

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Solution

The fourth proportional to 219,939,598.17, 303,511,351.51 and 122,154,531.93 is: 168,570,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,939,598.17 : 303,511,351.51 = 122,154,531.93 : x
  2. Step 2: Convert to fraction form
    219,939,598.17/303,511,351.51 = 122,154,531.93/x
  3. Step 3: Cross multiply
    219,939,598.17x = 303,511,351.51 × 122,154,531.93
  4. Step 4: Simplify right side
    219,939,598.17x = 37,075,287,078,534,976
  5. Step 5: Solve for x
    x = 37,075,287,078,534,976/219,939,598.17
  6. Step 6: Final answer
    x = 168,570,313.79

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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.