Home / 65,416,116.68-90,274,846.43-36,048,500.21

Finding the Fourth Proportional to 65,416,116.68, 90,274,846.43 and 36,048,500.21

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Solution

The fourth proportional to 65,416,116.68, 90,274,846.43 and 36,048,500.21 is: 49,747,263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,416,116.68 : 90,274,846.43 = 36,048,500.21 : x
  2. Step 2: Convert to fraction form
    65,416,116.68/90,274,846.43 = 36,048,500.21/x
  3. Step 3: Cross multiply
    65,416,116.68x = 90,274,846.43 × 36,048,500.21
  4. Step 4: Simplify right side
    65,416,116.68x = 3,254,272,820,602,608
  5. Step 5: Solve for x
    x = 3,254,272,820,602,608/65,416,116.68
  6. Step 6: Final answer
    x = 49,747,263.91

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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.