Home / 51,618,656.98-77,427,971.58-19,273,081.90

Finding the Fourth Proportional to 51,618,656.98, 77,427,971.58 and 19,273,081.90

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Solution

The fourth proportional to 51,618,656.98, 77,427,971.58 and 19,273,081.90 is: 28,909,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,618,656.98 : 77,427,971.58 = 19,273,081.90 : x
  2. Step 2: Convert to fraction form
    51,618,656.98/77,427,971.58 = 19,273,081.90/x
  3. Step 3: Cross multiply
    51,618,656.98x = 77,427,971.58 × 19,273,081.90
  4. Step 4: Simplify right side
    51,618,656.98x = 1,492,275,637,612,212.25
  5. Step 5: Solve for x
    x = 1,492,275,637,612,212.25/51,618,656.98
  6. Step 6: Final answer
    x = 28,909,617.66

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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.