Home / 43,067,358.30-64,610,639.58-12,359,543.88

Finding the Fourth Proportional to 43,067,358.30, 64,610,639.58 and 12,359,543.88

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Solution

The fourth proportional to 43,067,358.30, 64,610,639.58 and 12,359,543.88 is: 18,542,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,067,358.30 : 64,610,639.58 = 12,359,543.88 : x
  2. Step 2: Convert to fraction form
    43,067,358.30/64,610,639.58 = 12,359,543.88/x
  3. Step 3: Cross multiply
    43,067,358.30x = 64,610,639.58 × 12,359,543.88
  4. Step 4: Simplify right side
    43,067,358.30x = 798,558,035,003,874.75
  5. Step 5: Solve for x
    x = 798,558,035,003,874.75/43,067,358.30
  6. Step 6: Final answer
    x = 18,542,071.46

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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.