Home / 245,919,035.24-368,651,549.55-122,990,382.35

Finding the Fourth Proportional to 245,919,035.24, 368,651,549.55 and 122,990,382.35

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Solution

The fourth proportional to 245,919,035.24, 368,651,549.55 and 122,990,382.35 is: 184,372,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,919,035.24 : 368,651,549.55 = 122,990,382.35 : x
  2. Step 2: Convert to fraction form
    245,919,035.24/368,651,549.55 = 122,990,382.35/x
  3. Step 3: Cross multiply
    245,919,035.24x = 368,651,549.55 × 122,990,382.35
  4. Step 4: Simplify right side
    245,919,035.24x = 45,340,595,033,074,472
  5. Step 5: Solve for x
    x = 45,340,595,033,074,472/245,919,035.24
  6. Step 6: Final answer
    x = 184,372,043.38

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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.