Home / 72,551,581.35-108,719,754.16-53,288,173.70

Finding the Fourth Proportional to 72,551,581.35, 108,719,754.16 and 53,288,173.70

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Solution

The fourth proportional to 72,551,581.35, 108,719,754.16 and 53,288,173.70 is: 79,853,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,551,581.35 : 108,719,754.16 = 53,288,173.70 : x
  2. Step 2: Convert to fraction form
    72,551,581.35/108,719,754.16 = 53,288,173.70/x
  3. Step 3: Cross multiply
    72,551,581.35x = 108,719,754.16 × 53,288,173.70
  4. Step 4: Simplify right side
    72,551,581.35x = 5,793,477,144,299,378
  5. Step 5: Solve for x
    x = 5,793,477,144,299,378/72,551,581.35
  6. Step 6: Final answer
    x = 79,853,216.66

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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.