Home / 55,519,403.81-76,619,171.95-30,739,591.19

Finding the Fourth Proportional to 55,519,403.81, 76,619,171.95 and 30,739,591.19

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Solution

The fourth proportional to 55,519,403.81, 76,619,171.95 and 30,739,591.19 is: 42,421,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519,403.81 : 76,619,171.95 = 30,739,591.19 : x
  2. Step 2: Convert to fraction form
    55,519,403.81/76,619,171.95 = 30,739,591.19/x
  3. Step 3: Cross multiply
    55,519,403.81x = 76,619,171.95 × 30,739,591.19
  4. Step 4: Simplify right side
    55,519,403.81x = 2,355,242,023,174,014
  5. Step 5: Solve for x
    x = 2,355,242,023,174,014/55,519,403.81
  6. Step 6: Final answer
    x = 42,421,961.72

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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.