Home / 75,891,898.08-113,837,438.88-18,384,140.16

Finding the Fourth Proportional to 75,891,898.08, 113,837,438.88 and 18,384,140.16

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Solution

The fourth proportional to 75,891,898.08, 113,837,438.88 and 18,384,140.16 is: 27,576,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,891,898.08 : 113,837,438.88 = 18,384,140.16 : x
  2. Step 2: Convert to fraction form
    75,891,898.08/113,837,438.88 = 18,384,140.16/x
  3. Step 3: Cross multiply
    75,891,898.08x = 113,837,438.88 × 18,384,140.16
  4. Step 4: Simplify right side
    75,891,898.08x = 2,092,803,431,825,353.25
  5. Step 5: Solve for x
    x = 2,092,803,431,825,353.25/75,891,898.08
  6. Step 6: Final answer
    x = 27,576,111.35

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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.