Home / 55,416,731.23-76,471,808.73-30,635,440.13

Finding the Fourth Proportional to 55,416,731.23, 76,471,808.73 and 30,635,440.13

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Solution

The fourth proportional to 55,416,731.23, 76,471,808.73 and 30,635,440.13 is: 42,275,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,416,731.23 : 76,471,808.73 = 30,635,440.13 : x
  2. Step 2: Convert to fraction form
    55,416,731.23/76,471,808.73 = 30,635,440.13/x
  3. Step 3: Cross multiply
    55,416,731.23x = 76,471,808.73 × 30,635,440.13
  4. Step 4: Simplify right side
    55,416,731.23x = 2,342,747,517,980,726.50
  5. Step 5: Solve for x
    x = 2,342,747,517,980,726.50/55,416,731.23
  6. Step 6: Final answer
    x = 42,275,093.93

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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.