Home / 72,550,423.08-100,118,600.50-41,188,186.92

Finding the Fourth Proportional to 72,550,423.08, 100,118,600.50 and 41,188,186.92

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Solution

The fourth proportional to 72,550,423.08, 100,118,600.50 and 41,188,186.92 is: 56,839,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,550,423.08 : 100,118,600.50 = 41,188,186.92 : x
  2. Step 2: Convert to fraction form
    72,550,423.08/100,118,600.50 = 41,188,186.92/x
  3. Step 3: Cross multiply
    72,550,423.08x = 100,118,600.50 × 41,188,186.92
  4. Step 4: Simplify right side
    72,550,423.08x = 4,123,703,631,562,805.50
  5. Step 5: Solve for x
    x = 4,123,703,631,562,805.50/72,550,423.08
  6. Step 6: Final answer
    x = 56,839,139.68

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1.5x scale

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.