Home / 279,450,452.48-385,632,579-160,392,641.72

Finding the Fourth Proportional to 279,450,452.48, 385,632,579 and 160,392,641.72

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Solution

The fourth proportional to 279,450,452.48, 385,632,579 and 160,392,641.72 is: 221,336,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,450,452.48 : 385,632,579 = 160,392,641.72 : x
  2. Step 2: Convert to fraction form
    279,450,452.48/385,632,579 = 160,392,641.72/x
  3. Step 3: Cross multiply
    279,450,452.48x = 385,632,579 × 160,392,641.72
  4. Step 4: Simplify right side
    279,450,452.48x = 61,852,628,079,106,592
  5. Step 5: Solve for x
    x = 61,852,628,079,106,592/279,450,452.48
  6. Step 6: Final answer
    x = 221,336,653.89

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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.