Home / 75,748,527.72-113,606,298.84-20,415,071.23

Finding the Fourth Proportional to 75,748,527.72, 113,606,298.84 and 20,415,071.23

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Solution

The fourth proportional to 75,748,527.72, 113,606,298.84 and 20,415,071.23 is: 30,618,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,748,527.72 : 113,606,298.84 = 20,415,071.23 : x
  2. Step 2: Convert to fraction form
    75,748,527.72/113,606,298.84 = 20,415,071.23/x
  3. Step 3: Cross multiply
    75,748,527.72x = 113,606,298.84 × 20,415,071.23
  4. Step 4: Simplify right side
    75,748,527.72x = 2,319,280,682,995,266.50
  5. Step 5: Solve for x
    x = 2,319,280,682,995,266.50/75,748,527.72
  6. Step 6: Final answer
    x = 30,618,161.87

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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.