Home / 75,748,528.72-113,606,300.34-20,415,072.23

Finding the Fourth Proportional to 75,748,528.72, 113,606,300.34 and 20,415,072.23

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Solution

The fourth proportional to 75,748,528.72, 113,606,300.34 and 20,415,072.23 is: 30,618,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,748,528.72 : 113,606,300.34 = 20,415,072.23 : x
  2. Step 2: Convert to fraction form
    75,748,528.72/113,606,300.34 = 20,415,072.23/x
  3. Step 3: Cross multiply
    75,748,528.72x = 113,606,300.34 × 20,415,072.23
  4. Step 4: Simplify right side
    75,748,528.72x = 2,319,280,827,224,173.50
  5. Step 5: Solve for x
    x = 2,319,280,827,224,173.50/75,748,528.72
  6. Step 6: Final answer
    x = 30,618,163.37

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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.