Home / 160,046,623.78-220,864,572.93-86,707,765.78

Finding the Fourth Proportional to 160,046,623.78, 220,864,572.93 and 86,707,765.78

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Solution

The fourth proportional to 160,046,623.78, 220,864,572.93 and 86,707,765.78 is: 119,656,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,046,623.78 : 220,864,572.93 = 86,707,765.78 : x
  2. Step 2: Convert to fraction form
    160,046,623.78/220,864,572.93 = 86,707,765.78/x
  3. Step 3: Cross multiply
    160,046,623.78x = 220,864,572.93 × 86,707,765.78
  4. Step 4: Simplify right side
    160,046,623.78x = 19,150,673,658,714,168
  5. Step 5: Solve for x
    x = 19,150,673,658,714,168/160,046,623.78
  6. Step 6: Final answer
    x = 119,656,842.53

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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.