Home / 81,473,221.24-112,429,622.86-46,193,399.75

Finding the Fourth Proportional to 81,473,221.24, 112,429,622.86 and 46,193,399.75

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Solution

The fourth proportional to 81,473,221.24, 112,429,622.86 and 46,193,399.75 is: 63,744,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,473,221.24 : 112,429,622.86 = 46,193,399.75 : x
  2. Step 2: Convert to fraction form
    81,473,221.24/112,429,622.86 = 46,193,399.75/x
  3. Step 3: Cross multiply
    81,473,221.24x = 112,429,622.86 × 46,193,399.75
  4. Step 4: Simplify right side
    81,473,221.24x = 5,193,506,512,679,309
  5. Step 5: Solve for x
    x = 5,193,506,512,679,309/81,473,221.24
  6. Step 6: Final answer
    x = 63,744,951.21

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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.