Home / 53,139,367.80-79,709,051.70-36,700,126.20

Finding the Fourth Proportional to 53,139,367.80, 79,709,051.70 and 36,700,126.20

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Solution

The fourth proportional to 53,139,367.80, 79,709,051.70 and 36,700,126.20 is: 55,050,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,139,367.80 : 79,709,051.70 = 36,700,126.20 : x
  2. Step 2: Convert to fraction form
    53,139,367.80/79,709,051.70 = 36,700,126.20/x
  3. Step 3: Cross multiply
    53,139,367.80x = 79,709,051.70 × 36,700,126.20
  4. Step 4: Simplify right side
    53,139,367.80x = 2,925,332,256,672,325
  5. Step 5: Solve for x
    x = 2,925,332,256,672,325/53,139,367.80
  6. Step 6: Final answer
    x = 55,050,189.30

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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.