Home / 45,935,985.28-68,903,978.12-13,585,370.44

Finding the Fourth Proportional to 45,935,985.28, 68,903,978.12 and 13,585,370.44

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Solution

The fourth proportional to 45,935,985.28, 68,903,978.12 and 13,585,370.44 is: 20,378,055.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,935,985.28 : 68,903,978.12 = 13,585,370.44 : x
  2. Step 2: Convert to fraction form
    45,935,985.28/68,903,978.12 = 13,585,370.44/x
  3. Step 3: Cross multiply
    45,935,985.28x = 68,903,978.12 × 13,585,370.44
  4. Step 4: Simplify right side
    45,935,985.28x = 936,086,067,549,854.75
  5. Step 5: Solve for x
    x = 936,086,067,549,854.75/45,935,985.28
  6. Step 6: Final answer
    x = 20,378,055.72

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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.