Home / 82,719,905.70-124,079,858.55-46,440,200.10

Finding the Fourth Proportional to 82,719,905.70, 124,079,858.55 and 46,440,200.10

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Solution

The fourth proportional to 82,719,905.70, 124,079,858.55 and 46,440,200.10 is: 69,660,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,719,905.70 : 124,079,858.55 = 46,440,200.10 : x
  2. Step 2: Convert to fraction form
    82,719,905.70/124,079,858.55 = 46,440,200.10/x
  3. Step 3: Cross multiply
    82,719,905.70x = 124,079,858.55 × 46,440,200.10
  4. Step 4: Simplify right side
    82,719,905.70x = 5,762,293,459,441,696
  5. Step 5: Solve for x
    x = 5,762,293,459,441,696/82,719,905.70
  6. Step 6: Final answer
    x = 69,660,300.15

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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.