Home / 83,267,031.96-114,920,523.57-47,978,078.40

Finding the Fourth Proportional to 83,267,031.96, 114,920,523.57 and 47,978,078.40

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Solution

The fourth proportional to 83,267,031.96, 114,920,523.57 and 47,978,078.40 is: 66,216,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,267,031.96 : 114,920,523.57 = 47,978,078.40 : x
  2. Step 2: Convert to fraction form
    83,267,031.96/114,920,523.57 = 47,978,078.40/x
  3. Step 3: Cross multiply
    83,267,031.96x = 114,920,523.57 × 47,978,078.40
  4. Step 4: Simplify right side
    83,267,031.96x = 5,513,665,889,610,507
  5. Step 5: Solve for x
    x = 5,513,665,889,610,507/83,267,031.96
  6. Step 6: Final answer
    x = 66,216,673.75

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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.