Home / 124,404,287.80-186,606,431.70-79,166,630.20

Finding the Fourth Proportional to 124,404,287.80, 186,606,431.70 and 79,166,630.20

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Solution

The fourth proportional to 124,404,287.80, 186,606,431.70 and 79,166,630.20 is: 118,749,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,404,287.80 : 186,606,431.70 = 79,166,630.20 : x
  2. Step 2: Convert to fraction form
    124,404,287.80/186,606,431.70 = 79,166,630.20/x
  3. Step 3: Cross multiply
    124,404,287.80x = 186,606,431.70 × 79,166,630.20
  4. Step 4: Simplify right side
    124,404,287.80x = 14,773,002,371,335,456
  5. Step 5: Solve for x
    x = 14,773,002,371,335,456/124,404,287.80
  6. Step 6: Final answer
    x = 118,749,945.30

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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.