Home / 258,916,714.47-388,528,298.71-95,269,391.93

Finding the Fourth Proportional to 258,916,714.47, 388,528,298.71 and 95,269,391.93

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Solution

The fourth proportional to 258,916,714.47, 388,528,298.71 and 95,269,391.93 is: 142,960,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,916,714.47 : 388,528,298.71 = 95,269,391.93 : x
  2. Step 2: Convert to fraction form
    258,916,714.47/388,528,298.71 = 95,269,391.93/x
  3. Step 3: Cross multiply
    258,916,714.47x = 388,528,298.71 × 95,269,391.93
  4. Step 4: Simplify right side
    258,916,714.47x = 37,014,854,766,432,248
  5. Step 5: Solve for x
    x = 37,014,854,766,432,248/258,916,714.47
  6. Step 6: Final answer
    x = 142,960,468.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.