Home / 57,845,449.51-86,774,756.22-20,974,706.24

Finding the Fourth Proportional to 57,845,449.51, 86,774,756.22 and 20,974,706.24

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Solution

The fourth proportional to 57,845,449.51, 86,774,756.22 and 20,974,706.24 is: 31,464,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,845,449.51 : 86,774,756.22 = 20,974,706.24 : x
  2. Step 2: Convert to fraction form
    57,845,449.51/86,774,756.22 = 20,974,706.24/x
  3. Step 3: Cross multiply
    57,845,449.51x = 86,774,756.22 × 20,974,706.24
  4. Step 4: Simplify right side
    57,845,449.51x = 1,820,075,020,762,112.75
  5. Step 5: Solve for x
    x = 1,820,075,020,762,112.75/57,845,449.51
  6. Step 6: Final answer
    x = 31,464,445.97

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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.