Home / 84,088,712.40-126,133,068.60-82,954,971.60

Finding the Fourth Proportional to 84,088,712.40, 126,133,068.60 and 82,954,971.60

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Solution

The fourth proportional to 84,088,712.40, 126,133,068.60 and 82,954,971.60 is: 124,432,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,088,712.40 : 126,133,068.60 = 82,954,971.60 : x
  2. Step 2: Convert to fraction form
    84,088,712.40/126,133,068.60 = 82,954,971.60/x
  3. Step 3: Cross multiply
    84,088,712.40x = 126,133,068.60 × 82,954,971.60
  4. Step 4: Simplify right side
    84,088,712.40x = 10,463,365,123,533,850
  5. Step 5: Solve for x
    x = 10,463,365,123,533,850/84,088,712.40
  6. Step 6: Final answer
    x = 124,432,457.40

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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.