Home / 52,011,352.19-78,020,668.68-20,887,004.88

Finding the Fourth Proportional to 52,011,352.19, 78,020,668.68 and 20,887,004.88

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Solution

The fourth proportional to 52,011,352.19, 78,020,668.68 and 20,887,004.88 is: 31,331,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,011,352.19 : 78,020,668.68 = 20,887,004.88 : x
  2. Step 2: Convert to fraction form
    52,011,352.19/78,020,668.68 = 20,887,004.88/x
  3. Step 3: Cross multiply
    52,011,352.19x = 78,020,668.68 × 20,887,004.88
  4. Step 4: Simplify right side
    52,011,352.19x = 1,629,618,087,595,370.50
  5. Step 5: Solve for x
    x = 1,629,618,087,595,370.50/52,011,352.19
  6. Step 6: Final answer
    x = 31,331,969.25

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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.