Home / 352,579,512.57-528,871,522.54-103,583,751.47

Finding the Fourth Proportional to 352,579,512.57, 528,871,522.54 and 103,583,751.47

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Solution

The fourth proportional to 352,579,512.57, 528,871,522.54 and 103,583,751.47 is: 155,376,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,579,512.57 : 528,871,522.54 = 103,583,751.47 : x
  2. Step 2: Convert to fraction form
    352,579,512.57/528,871,522.54 = 103,583,751.47/x
  3. Step 3: Cross multiply
    352,579,512.57x = 528,871,522.54 × 103,583,751.47
  4. Step 4: Simplify right side
    352,579,512.57x = 54,782,496,350,343,864
  5. Step 5: Solve for x
    x = 54,782,496,350,343,864/352,579,512.57
  6. Step 6: Final answer
    x = 155,376,289.31

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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.