Home / 53,431,522.50-73,735,643-28,985,236.50

Finding the Fourth Proportional to 53,431,522.50, 73,735,643 and 28,985,236.50

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Solution

The fourth proportional to 53,431,522.50, 73,735,643 and 28,985,236.50 is: 39,999,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431,522.50 : 73,735,643 = 28,985,236.50 : x
  2. Step 2: Convert to fraction form
    53,431,522.50/73,735,643 = 28,985,236.50/x
  3. Step 3: Cross multiply
    53,431,522.50x = 73,735,643 × 28,985,236.50
  4. Step 4: Simplify right side
    53,431,522.50x = 2,137,245,050,834,569.50
  5. Step 5: Solve for x
    x = 2,137,245,050,834,569.50/53,431,522.50
  6. Step 6: Final answer
    x = 39,999,703.37

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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.