Home / 30,568,068.88-45,852,094.95-20,954,301.19

Finding the Fourth Proportional to 30,568,068.88, 45,852,094.95 and 20,954,301.19

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Solution

The fourth proportional to 30,568,068.88, 45,852,094.95 and 20,954,301.19 is: 31,431,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568,068.88 : 45,852,094.95 = 20,954,301.19 : x
  2. Step 2: Convert to fraction form
    30,568,068.88/45,852,094.95 = 20,954,301.19/x
  3. Step 3: Cross multiply
    30,568,068.88x = 45,852,094.95 × 20,954,301.19
  4. Step 4: Simplify right side
    30,568,068.88x = 960,798,607,774,778.12
  5. Step 5: Solve for x
    x = 960,798,607,774,778.12/30,568,068.88
  6. Step 6: Final answer
    x = 31,431,446.05

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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.