Home / 258,663,046.42-356,901,718.21-148,633,501.78

Finding the Fourth Proportional to 258,663,046.42, 356,901,718.21 and 148,633,501.78

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Solution

The fourth proportional to 258,663,046.42, 356,901,718.21 and 148,633,501.78 is: 205,083,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,663,046.42 : 356,901,718.21 = 148,633,501.78 : x
  2. Step 2: Convert to fraction form
    258,663,046.42/356,901,718.21 = 148,633,501.78/x
  3. Step 3: Cross multiply
    258,663,046.42x = 356,901,718.21 × 148,633,501.78
  4. Step 4: Simplify right side
    258,663,046.42x = 53,047,552,168,851,088
  5. Step 5: Solve for x
    x = 53,047,552,168,851,088/258,663,046.42
  6. Step 6: Final answer
    x = 205,083,613.23

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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.