Home / 275,426,300.52-380,059,398.36-156,310,960.77

Finding the Fourth Proportional to 275,426,300.52, 380,059,398.36 and 156,310,960.77

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Solution

The fourth proportional to 275,426,300.52, 380,059,398.36 and 156,310,960.77 is: 215,692,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,426,300.52 : 380,059,398.36 = 156,310,960.77 : x
  2. Step 2: Convert to fraction form
    275,426,300.52/380,059,398.36 = 156,310,960.77/x
  3. Step 3: Cross multiply
    275,426,300.52x = 380,059,398.36 × 156,310,960.77
  4. Step 4: Simplify right side
    275,426,300.52x = 59,407,449,707,319,768
  5. Step 5: Solve for x
    x = 59,407,449,707,319,768/275,426,300.52
  6. Step 6: Final answer
    x = 215,692,726.49

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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.