Home / 42,843,887.42-64,265,690.97-15,550,143.81

Finding the Fourth Proportional to 42,843,887.42, 64,265,690.97 and 15,550,143.81

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Solution

The fourth proportional to 42,843,887.42, 64,265,690.97 and 15,550,143.81 is: 23,325,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,843,887.42 : 64,265,690.97 = 15,550,143.81 : x
  2. Step 2: Convert to fraction form
    42,843,887.42/64,265,690.97 = 15,550,143.81/x
  3. Step 3: Cross multiply
    42,843,887.42x = 64,265,690.97 × 15,550,143.81
  4. Step 4: Simplify right side
    42,843,887.42x = 999,340,736,632,518.38
  5. Step 5: Solve for x
    x = 999,340,736,632,518.38/42,843,887.42
  6. Step 6: Final answer
    x = 23,325,164.85

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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.