Home / 43,138,067.67-64,708,430.04-18,864,499.95

Finding the Fourth Proportional to 43,138,067.67, 64,708,430.04 and 18,864,499.95

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Solution

The fourth proportional to 43,138,067.67, 64,708,430.04 and 18,864,499.95 is: 28,297,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138,067.67 : 64,708,430.04 = 18,864,499.95 : x
  2. Step 2: Convert to fraction form
    43,138,067.67/64,708,430.04 = 18,864,499.95/x
  3. Step 3: Cross multiply
    43,138,067.67x = 64,708,430.04 × 18,864,499.95
  4. Step 4: Simplify right side
    43,138,067.67x = 1,220,692,175,254,158.50
  5. Step 5: Solve for x
    x = 1,220,692,175,254,158.50/43,138,067.67
  6. Step 6: Final answer
    x = 28,297,330.90

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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.