Home / 77,170,869.24-106,491,888.48-45,810,258.72

Finding the Fourth Proportional to 77,170,869.24, 106,491,888.48 and 45,810,258.72

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Solution

The fourth proportional to 77,170,869.24, 106,491,888.48 and 45,810,258.72 is: 63,215,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,170,869.24 : 106,491,888.48 = 45,810,258.72 : x
  2. Step 2: Convert to fraction form
    77,170,869.24/106,491,888.48 = 45,810,258.72/x
  3. Step 3: Cross multiply
    77,170,869.24x = 106,491,888.48 × 45,810,258.72
  4. Step 4: Simplify right side
    77,170,869.24x = 4,878,420,962,850,188
  5. Step 5: Solve for x
    x = 4,878,420,962,850,188/77,170,869.24
  6. Step 6: Final answer
    x = 63,215,835.34

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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.