Home / 86,990,607.45-120,044,735.37-47,296,885.50

Finding the Fourth Proportional to 86,990,607.45, 120,044,735.37 and 47,296,885.50

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Solution

The fourth proportional to 86,990,607.45, 120,044,735.37 and 47,296,885.50 is: 65,268,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,990,607.45 : 120,044,735.37 = 47,296,885.50 : x
  2. Step 2: Convert to fraction form
    86,990,607.45/120,044,735.37 = 47,296,885.50/x
  3. Step 3: Cross multiply
    86,990,607.45x = 120,044,735.37 × 47,296,885.50
  4. Step 4: Simplify right side
    86,990,607.45x = 5,677,742,103,672,690
  5. Step 5: Solve for x
    x = 5,677,742,103,672,690/86,990,607.45
  6. Step 6: Final answer
    x = 65,268,449.89

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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.