Home / 255,490,944-352,577,502.72-139,597,440

Finding the Fourth Proportional to 255,490,944, 352,577,502.72 and 139,597,440

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Solution

The fourth proportional to 255,490,944, 352,577,502.72 and 139,597,440 is: 192,644,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,490,944 : 352,577,502.72 = 139,597,440 : x
  2. Step 2: Convert to fraction form
    255,490,944/352,577,502.72 = 139,597,440/x
  3. Step 3: Cross multiply
    255,490,944x = 352,577,502.72 × 139,597,440
  4. Step 4: Simplify right side
    255,490,944x = 49,218,916,781,305,040
  5. Step 5: Solve for x
    x = 49,218,916,781,305,040/255,490,944
  6. Step 6: Final answer
    x = 192,644,467.20

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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.