Home / 65,162,081.28-89,849,981.76-41,609,649.60

Finding the Fourth Proportional to 65,162,081.28, 89,849,981.76 and 41,609,649.60

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Solution

The fourth proportional to 65,162,081.28, 89,849,981.76 and 41,609,649.60 is: 57,374,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,162,081.28 : 89,849,981.76 = 41,609,649.60 : x
  2. Step 2: Convert to fraction form
    65,162,081.28/89,849,981.76 = 41,609,649.60/x
  3. Step 3: Cross multiply
    65,162,081.28x = 89,849,981.76 × 41,609,649.60
  4. Step 4: Simplify right side
    65,162,081.28x = 3,738,626,257,599,991.50
  5. Step 5: Solve for x
    x = 3,738,626,257,599,991.50/65,162,081.28
  6. Step 6: Final answer
    x = 57,374,260.98

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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.