Home / 55,224,548.07-76,212,471.20-30,778,437.03

Finding the Fourth Proportional to 55,224,548.07, 76,212,471.20 and 30,778,437.03

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Solution

The fourth proportional to 55,224,548.07, 76,212,471.20 and 30,778,437.03 is: 42,475,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,224,548.07 : 76,212,471.20 = 30,778,437.03 : x
  2. Step 2: Convert to fraction form
    55,224,548.07/76,212,471.20 = 30,778,437.03/x
  3. Step 3: Cross multiply
    55,224,548.07x = 76,212,471.20 × 30,778,437.03
  4. Step 4: Simplify right side
    55,224,548.07x = 2,345,700,745,729,888.50
  5. Step 5: Solve for x
    x = 2,345,700,745,729,888.50/55,224,548.07
  6. Step 6: Final answer
    x = 42,475,689.30

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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.