Home / 528,048,161.30-792,036,812.55-139,862,659.70

Finding the Fourth Proportional to 528,048,161.30, 792,036,812.55 and 139,862,659.70

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Solution

The fourth proportional to 528,048,161.30, 792,036,812.55 and 139,862,659.70 is: 209,784,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,048,161.30 : 792,036,812.55 = 139,862,659.70 : x
  2. Step 2: Convert to fraction form
    528,048,161.30/792,036,812.55 = 139,862,659.70/x
  3. Step 3: Cross multiply
    528,048,161.30x = 792,036,812.55 × 139,862,659.70
  4. Step 4: Simplify right side
    528,048,161.30x = 110,776,375,183,553,328
  5. Step 5: Solve for x
    x = 110,776,375,183,553,328/528,048,161.30
  6. Step 6: Final answer
    x = 209,784,605.46

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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.