Home / 43,891,693.40-65,837,540.10-40,905,709.40

Finding the Fourth Proportional to 43,891,693.40, 65,837,540.10 and 40,905,709.40

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Solution

The fourth proportional to 43,891,693.40, 65,837,540.10 and 40,905,709.40 is: 61,358,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,891,693.40 : 65,837,540.10 = 40,905,709.40 : x
  2. Step 2: Convert to fraction form
    43,891,693.40/65,837,540.10 = 40,905,709.40/x
  3. Step 3: Cross multiply
    43,891,693.40x = 65,837,540.10 × 40,905,709.40
  4. Step 4: Simplify right side
    43,891,693.40x = 2,693,131,282,941,447
  5. Step 5: Solve for x
    x = 2,693,131,282,941,447/43,891,693.40
  6. Step 6: Final answer
    x = 61,358,564.10

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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.