Home / 65,207,542-89,987,339.40-35,841,589.76

Finding the Fourth Proportional to 65,207,542, 89,987,339.40 and 35,841,589.76

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Solution

The fourth proportional to 65,207,542, 89,987,339.40 and 35,841,589.76 is: 49,461,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207,542 : 89,987,339.40 = 35,841,589.76 : x
  2. Step 2: Convert to fraction form
    65,207,542/89,987,339.40 = 35,841,589.76/x
  3. Step 3: Cross multiply
    65,207,542x = 89,987,339.40 × 35,841,589.76
  4. Step 4: Simplify right side
    65,207,542x = 3,225,289,302,368,684.50
  5. Step 5: Solve for x
    x = 3,225,289,302,368,684.50/65,207,542
  6. Step 6: Final answer
    x = 49,461,905.84

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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.