Home / 74,863,480.30-112,295,220.45-45,764,133.10

Finding the Fourth Proportional to 74,863,480.30, 112,295,220.45 and 45,764,133.10

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Solution

The fourth proportional to 74,863,480.30, 112,295,220.45 and 45,764,133.10 is: 68,646,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,863,480.30 : 112,295,220.45 = 45,764,133.10 : x
  2. Step 2: Convert to fraction form
    74,863,480.30/112,295,220.45 = 45,764,133.10/x
  3. Step 3: Cross multiply
    74,863,480.30x = 112,295,220.45 × 45,764,133.10
  4. Step 4: Simplify right side
    74,863,480.30x = 5,139,093,415,167,642
  5. Step 5: Solve for x
    x = 5,139,093,415,167,642/74,863,480.30
  6. Step 6: Final answer
    x = 68,646,199.65

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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.