Home / 341,643,465.20-512,415,431.40-99,281,097.20

Finding the Fourth Proportional to 341,643,465.20, 512,415,431.40 and 99,281,097.20

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Solution

The fourth proportional to 341,643,465.20, 512,415,431.40 and 99,281,097.20 is: 148,907,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,643,465.20 : 512,415,431.40 = 99,281,097.20 : x
  2. Step 2: Convert to fraction form
    341,643,465.20/512,415,431.40 = 99,281,097.20/x
  3. Step 3: Cross multiply
    341,643,465.20x = 512,415,431.40 × 99,281,097.20
  4. Step 4: Simplify right side
    341,643,465.20x = 50,873,166,251,603,328
  5. Step 5: Solve for x
    x = 50,873,166,251,603,328/341,643,465.20
  6. Step 6: Final answer
    x = 148,907,183.76

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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.