Home / 258,916,725.35-388,528,315.02-95,269,402.79

Finding the Fourth Proportional to 258,916,725.35, 388,528,315.02 and 95,269,402.79

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Solution

The fourth proportional to 258,916,725.35, 388,528,315.02 and 95,269,402.79 is: 142,960,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,916,725.35 : 388,528,315.02 = 95,269,402.79 : x
  2. Step 2: Convert to fraction form
    258,916,725.35/388,528,315.02 = 95,269,402.79/x
  3. Step 3: Cross multiply
    258,916,725.35x = 388,528,315.02 × 95,269,402.79
  4. Step 4: Simplify right side
    258,916,725.35x = 37,014,860,537,017,744
  5. Step 5: Solve for x
    x = 37,014,860,537,017,744/258,916,725.35
  6. Step 6: Final answer
    x = 142,960,484.64

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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.