Home / 173,662,408.40-260,642,911.80-76,767,227.60

Finding the Fourth Proportional to 173,662,408.40, 260,642,911.80 and 76,767,227.60

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Solution

The fourth proportional to 173,662,408.40, 260,642,911.80 and 76,767,227.60 is: 115,216,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,662,408.40 : 260,642,911.80 = 76,767,227.60 : x
  2. Step 2: Convert to fraction form
    173,662,408.40/260,642,911.80 = 76,767,227.60/x
  3. Step 3: Cross multiply
    173,662,408.40x = 260,642,911.80 × 76,767,227.60
  4. Step 4: Simplify right side
    173,662,408.40x = 20,008,833,732,477,324
  5. Step 5: Solve for x
    x = 20,008,833,732,477,324/173,662,408.40
  6. Step 6: Final answer
    x = 115,216,838.91

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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.