Home / 265,758,453.03-398,841,147.09-120,294,168.45

Finding the Fourth Proportional to 265,758,453.03, 398,841,147.09 and 120,294,168.45

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Solution

The fourth proportional to 265,758,453.03, 398,841,147.09 and 120,294,168.45 is: 180,533,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,758,453.03 : 398,841,147.09 = 120,294,168.45 : x
  2. Step 2: Convert to fraction form
    265,758,453.03/398,841,147.09 = 120,294,168.45/x
  3. Step 3: Cross multiply
    265,758,453.03x = 398,841,147.09 × 120,294,168.45
  4. Step 4: Simplify right side
    265,758,453.03x = 47,978,264,132,835,688
  5. Step 5: Solve for x
    x = 47,978,264,132,835,688/265,758,453.03
  6. Step 6: Final answer
    x = 180,533,351.19

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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.