Home / 186,680,457.60-279,936,705.60-71,626,761.60

Finding the Fourth Proportional to 186,680,457.60, 279,936,705.60 and 71,626,761.60

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Solution

The fourth proportional to 186,680,457.60, 279,936,705.60 and 71,626,761.60 is: 107,407,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,680,457.60 : 279,936,705.60 = 71,626,761.60 : x
  2. Step 2: Convert to fraction form
    186,680,457.60/279,936,705.60 = 71,626,761.60/x
  3. Step 3: Cross multiply
    186,680,457.60x = 279,936,705.60 × 71,626,761.60
  4. Step 4: Simplify right side
    186,680,457.60x = 20,050,959,675,100,584
  5. Step 5: Solve for x
    x = 20,050,959,675,100,584/186,680,457.60
  6. Step 6: Final answer
    x = 107,407,920.11

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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.