Home / 124,418,666.60-186,627,999.90-76,045,725.80

Finding the Fourth Proportional to 124,418,666.60, 186,627,999.90 and 76,045,725.80

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Solution

The fourth proportional to 124,418,666.60, 186,627,999.90 and 76,045,725.80 is: 114,068,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418,666.60 : 186,627,999.90 = 76,045,725.80 : x
  2. Step 2: Convert to fraction form
    124,418,666.60/186,627,999.90 = 76,045,725.80/x
  3. Step 3: Cross multiply
    124,418,666.60x = 186,627,999.90 × 76,045,725.80
  4. Step 4: Simplify right side
    124,418,666.60x = 14,192,261,706,997,828
  5. Step 5: Solve for x
    x = 14,192,261,706,997,828/124,418,666.60
  6. Step 6: Final answer
    x = 114,068,588.70

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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.