Home / 89,814,739.80-134,721,211.57-28,403,908.97

Finding the Fourth Proportional to 89,814,739.80, 134,721,211.57 and 28,403,908.97

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Solution

The fourth proportional to 89,814,739.80, 134,721,211.57 and 28,403,908.97 is: 42,605,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814,739.80 : 134,721,211.57 = 28,403,908.97 : x
  2. Step 2: Convert to fraction form
    89,814,739.80/134,721,211.57 = 28,403,908.97/x
  3. Step 3: Cross multiply
    89,814,739.80x = 134,721,211.57 × 28,403,908.97
  4. Step 4: Simplify right side
    89,814,739.80x = 3,826,609,030,134,698.50
  5. Step 5: Solve for x
    x = 3,826,609,030,134,698.50/89,814,739.80
  6. Step 6: Final answer
    x = 42,605,579.42

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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.