Home / 53,751,303.45-74,173,602.83-30,543,209.37

Finding the Fourth Proportional to 53,751,303.45, 74,173,602.83 and 30,543,209.37

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Solution

The fourth proportional to 53,751,303.45, 74,173,602.83 and 30,543,209.37 is: 42,147,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,751,303.45 : 74,173,602.83 = 30,543,209.37 : x
  2. Step 2: Convert to fraction form
    53,751,303.45/74,173,602.83 = 30,543,209.37/x
  3. Step 3: Cross multiply
    53,751,303.45x = 74,173,602.83 × 30,543,209.37
  4. Step 4: Simplify right side
    53,751,303.45x = 2,265,499,880,811,198.50
  5. Step 5: Solve for x
    x = 2,265,499,880,811,198.50/53,751,303.45
  6. Step 6: Final answer
    x = 42,147,812.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.