Home / 291,519,491.67-402,299,575.32-166,069,828.32

Finding the Fourth Proportional to 291,519,491.67, 402,299,575.32 and 166,069,828.32

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Solution

The fourth proportional to 291,519,491.67, 402,299,575.32 and 166,069,828.32 is: 229,177,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,519,491.67 : 402,299,575.32 = 166,069,828.32 : x
  2. Step 2: Convert to fraction form
    291,519,491.67/402,299,575.32 = 166,069,828.32/x
  3. Step 3: Cross multiply
    291,519,491.67x = 402,299,575.32 × 166,069,828.32
  4. Step 4: Simplify right side
    291,519,491.67x = 66,809,821,406,601,304
  5. Step 5: Solve for x
    x = 66,809,821,406,601,304/291,519,491.67
  6. Step 6: Final answer
    x = 229,177,887.98

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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.