Home / 265,758,452.02-398,841,145.60-120,294,167.46

Finding the Fourth Proportional to 265,758,452.02, 398,841,145.60 and 120,294,167.46

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Solution

The fourth proportional to 265,758,452.02, 398,841,145.60 and 120,294,167.46 is: 180,533,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,758,452.02 : 398,841,145.60 = 120,294,167.46 : x
  2. Step 2: Convert to fraction form
    265,758,452.02/398,841,145.60 = 120,294,167.46/x
  3. Step 3: Cross multiply
    265,758,452.02x = 398,841,145.60 × 120,294,167.46
  4. Step 4: Simplify right side
    265,758,452.02x = 47,978,263,558,744,640
  5. Step 5: Solve for x
    x = 47,978,263,558,744,640/265,758,452.02
  6. Step 6: Final answer
    x = 180,533,349.72

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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.