Home / 275,832,116.56-413,808,723.96-81,758,501.20

Finding the Fourth Proportional to 275,832,116.56, 413,808,723.96 and 81,758,501.20

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Solution

The fourth proportional to 275,832,116.56, 413,808,723.96 and 81,758,501.20 is: 122,655,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,832,116.56 : 413,808,723.96 = 81,758,501.20 : x
  2. Step 2: Convert to fraction form
    275,832,116.56/413,808,723.96 = 81,758,501.20/x
  3. Step 3: Cross multiply
    275,832,116.56x = 413,808,723.96 × 81,758,501.20
  4. Step 4: Simplify right side
    275,832,116.56x = 33,832,381,054,454,128
  5. Step 5: Solve for x
    x = 33,832,381,054,454,128/275,832,116.56
  6. Step 6: Final answer
    x = 122,655,698.97

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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.