Home / 290,805,280.56-401,304,828.60-160,425,054

Finding the Fourth Proportional to 290,805,280.56, 401,304,828.60 and 160,425,054

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Solution

The fourth proportional to 290,805,280.56, 401,304,828.60 and 160,425,054 is: 221,383,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,805,280.56 : 401,304,828.60 = 160,425,054 : x
  2. Step 2: Convert to fraction form
    290,805,280.56/401,304,828.60 = 160,425,054/x
  3. Step 3: Cross multiply
    290,805,280.56x = 401,304,828.60 × 160,425,054
  4. Step 4: Simplify right side
    290,805,280.56x = 64,379,348,798,615,752
  5. Step 5: Solve for x
    x = 64,379,348,798,615,752/290,805,280.56
  6. Step 6: Final answer
    x = 221,383,011.60

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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.