Home / 265,367,599.83-398,051,400.15-81,135,076.59

Finding the Fourth Proportional to 265,367,599.83, 398,051,400.15 and 81,135,076.59

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Solution

The fourth proportional to 265,367,599.83, 398,051,400.15 and 81,135,076.59 is: 121,702,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,367,599.83 : 398,051,400.15 = 81,135,076.59 : x
  2. Step 2: Convert to fraction form
    265,367,599.83/398,051,400.15 = 81,135,076.59/x
  3. Step 3: Cross multiply
    265,367,599.83x = 398,051,400.15 × 81,135,076.59
  4. Step 4: Simplify right side
    265,367,599.83x = 32,295,930,837,926,988
  5. Step 5: Solve for x
    x = 32,295,930,837,926,988/265,367,599.83
  6. Step 6: Final answer
    x = 121,702,615.01

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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.