Home / 73,215,619.70-101,037,277.38-40,176,421.62

Finding the Fourth Proportional to 73,215,619.70, 101,037,277.38 and 40,176,421.62

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Solution

The fourth proportional to 73,215,619.70, 101,037,277.38 and 40,176,421.62 is: 55,443,309.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215,619.70 : 101,037,277.38 = 40,176,421.62 : x
  2. Step 2: Convert to fraction form
    73,215,619.70/101,037,277.38 = 40,176,421.62/x
  3. Step 3: Cross multiply
    73,215,619.70x = 101,037,277.38 × 40,176,421.62
  4. Step 4: Simplify right side
    73,215,619.70x = 4,059,316,255,355,768.50
  5. Step 5: Solve for x
    x = 4,059,316,255,355,768.50/73,215,619.70
  6. Step 6: Final answer
    x = 55,443,309.39

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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.