Home / 73,890,404.80-110,646,650.40-54,616,811.20

Finding the Fourth Proportional to 73,890,404.80, 110,646,650.40 and 54,616,811.20

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Solution

The fourth proportional to 73,890,404.80, 110,646,650.40 and 54,616,811.20 is: 81,785,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,890,404.80 : 110,646,650.40 = 54,616,811.20 : x
  2. Step 2: Convert to fraction form
    73,890,404.80/110,646,650.40 = 54,616,811.20/x
  3. Step 3: Cross multiply
    73,890,404.80x = 110,646,650.40 × 54,616,811.20
  4. Step 4: Simplify right side
    73,890,404.80x = 6,043,167,214,809,205
  5. Step 5: Solve for x
    x = 6,043,167,214,809,205/73,890,404.80
  6. Step 6: Final answer
    x = 81,785,547.54

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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.