Home / 265,977,589.48-398,966,360.54-134,799,431.40

Finding the Fourth Proportional to 265,977,589.48, 398,966,360.54 and 134,799,431.40

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Solution

The fourth proportional to 265,977,589.48, 398,966,360.54 and 134,799,431.40 is: 202,199,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,977,589.48 : 398,966,360.54 = 134,799,431.40 : x
  2. Step 2: Convert to fraction form
    265,977,589.48/398,966,360.54 = 134,799,431.40/x
  3. Step 3: Cross multiply
    265,977,589.48x = 398,966,360.54 × 134,799,431.40
  4. Step 4: Simplify right side
    265,977,589.48x = 53,780,438,548,519,400
  5. Step 5: Solve for x
    x = 53,780,438,548,519,400/265,977,589.48
  6. Step 6: Final answer
    x = 202,199,135.10

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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.