Home / 65,889,894.76-98,814,937.10-19,819,530.43

Finding the Fourth Proportional to 65,889,894.76, 98,814,937.10 and 19,819,530.43

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Solution

The fourth proportional to 65,889,894.76, 98,814,937.10 and 19,819,530.43 is: 29,723,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,889,894.76 : 98,814,937.10 = 19,819,530.43 : x
  2. Step 2: Convert to fraction form
    65,889,894.76/98,814,937.10 = 19,819,530.43/x
  3. Step 3: Cross multiply
    65,889,894.76x = 98,814,937.10 × 19,819,530.43
  4. Step 4: Simplify right side
    65,889,894.76x = 1,958,465,652,445,850.75
  5. Step 5: Solve for x
    x = 1,958,465,652,445,850.75/65,889,894.76
  6. Step 6: Final answer
    x = 29,723,308.25

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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.