Home / 79,918,206.21-110,286,719.10-43,248,777.21

Finding the Fourth Proportional to 79,918,206.21, 110,286,719.10 and 43,248,777.21

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Solution

The fourth proportional to 79,918,206.21, 110,286,719.10 and 43,248,777.21 is: 59,683,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,918,206.21 : 110,286,719.10 = 43,248,777.21 : x
  2. Step 2: Convert to fraction form
    79,918,206.21/110,286,719.10 = 43,248,777.21/x
  3. Step 3: Cross multiply
    79,918,206.21x = 110,286,719.10 × 43,248,777.21
  4. Step 4: Simplify right side
    79,918,206.21x = 4,769,765,743,577,752
  5. Step 5: Solve for x
    x = 4,769,765,743,577,752/79,918,206.21
  6. Step 6: Final answer
    x = 59,683,093.12

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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.