Home / 51,923,242-77,868,299.16-17,836,368.40

Finding the Fourth Proportional to 51,923,242, 77,868,299.16 and 17,836,368.40

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Solution

The fourth proportional to 51,923,242, 77,868,299.16 and 17,836,368.40 is: 26,748,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,923,242 : 77,868,299.16 = 17,836,368.40 : x
  2. Step 2: Convert to fraction form
    51,923,242/77,868,299.16 = 17,836,368.40/x
  3. Step 3: Cross multiply
    51,923,242x = 77,868,299.16 × 17,836,368.40
  4. Step 4: Simplify right side
    51,923,242x = 1,388,887,670,499,170.25
  5. Step 5: Solve for x
    x = 1,388,887,670,499,170.25/51,923,242
  6. Step 6: Final answer
    x = 26,748,862.69

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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.