Home / 82,716,636.30-124,074,954.45-55,435,998.30

Finding the Fourth Proportional to 82,716,636.30, 124,074,954.45 and 55,435,998.30

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Solution

The fourth proportional to 82,716,636.30, 124,074,954.45 and 55,435,998.30 is: 83,153,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,716,636.30 : 124,074,954.45 = 55,435,998.30 : x
  2. Step 2: Convert to fraction form
    82,716,636.30/124,074,954.45 = 55,435,998.30/x
  3. Step 3: Cross multiply
    82,716,636.30x = 124,074,954.45 × 55,435,998.30
  4. Step 4: Simplify right side
    82,716,636.30x = 6,878,218,963,962,777
  5. Step 5: Solve for x
    x = 6,878,218,963,962,777/82,716,636.30
  6. Step 6: Final answer
    x = 83,153,997.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.