Home / 258,916,720.10-388,528,307.15-95,269,397.57

Finding the Fourth Proportional to 258,916,720.10, 388,528,307.15 and 95,269,397.57

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Solution

The fourth proportional to 258,916,720.10, 388,528,307.15 and 95,269,397.57 is: 142,960,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,916,720.10 : 388,528,307.15 = 95,269,397.57 : x
  2. Step 2: Convert to fraction form
    258,916,720.10/388,528,307.15 = 95,269,397.57/x
  3. Step 3: Cross multiply
    258,916,720.10x = 388,528,307.15 × 95,269,397.57
  4. Step 4: Simplify right side
    258,916,720.10x = 37,014,857,758,653,432
  5. Step 5: Solve for x
    x = 37,014,857,758,653,432/258,916,720.10
  6. Step 6: Final answer
    x = 142,960,476.81

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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.