Home / 257,042,045.46-354,718,442.68-139,567,602.90

Finding the Fourth Proportional to 257,042,045.46, 354,718,442.68 and 139,567,602.90

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Solution

The fourth proportional to 257,042,045.46, 354,718,442.68 and 139,567,602.90 is: 192,603,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,042,045.46 : 354,718,442.68 = 139,567,602.90 : x
  2. Step 2: Convert to fraction form
    257,042,045.46/354,718,442.68 = 139,567,602.90/x
  3. Step 3: Cross multiply
    257,042,045.46x = 354,718,442.68 × 139,567,602.90
  4. Step 4: Simplify right side
    257,042,045.46x = 49,507,202,749,268,656
  5. Step 5: Solve for x
    x = 49,507,202,749,268,656/257,042,045.46
  6. Step 6: Final answer
    x = 192,603,520.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.