Home / 72,968,496,792.48-100,700,674,937.37-40,853,577,982.95

Finding the Fourth Proportional to 72,968,496,792.48, 100,700,674,937.37 and 40,853,577,982.95

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Solution

The fourth proportional to 72,968,496,792.48, 100,700,674,937.37 and 40,853,577,982.95 is: 56,380,260,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,968,496,792.48 : 100,700,674,937.37 = 40,853,577,982.95 : x
  2. Step 2: Convert to fraction form
    72,968,496,792.48/100,700,674,937.37 = 40,853,577,982.95/x
  3. Step 3: Cross multiply
    72,968,496,792.48x = 100,700,674,937.37 × 40,853,577,982.95
  4. Step 4: Simplify right side
    72,968,496,792.48x = 4,113,982,876,489,543,581,696
  5. Step 5: Solve for x
    x = 4,113,982,876,489,543,581,696/72,968,496,792.48
  6. Step 6: Final answer
    x = 56,380,260,760.88

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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.