Home / 124,934,010.40-187,401,015.60-73,789,703.20

Finding the Fourth Proportional to 124,934,010.40, 187,401,015.60 and 73,789,703.20

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Solution

The fourth proportional to 124,934,010.40, 187,401,015.60 and 73,789,703.20 is: 110,684,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,934,010.40 : 187,401,015.60 = 73,789,703.20 : x
  2. Step 2: Convert to fraction form
    124,934,010.40/187,401,015.60 = 73,789,703.20/x
  3. Step 3: Cross multiply
    124,934,010.40x = 187,401,015.60 × 73,789,703.20
  4. Step 4: Simplify right side
    124,934,010.40x = 13,828,265,320,502,570
  5. Step 5: Solve for x
    x = 13,828,265,320,502,570/124,934,010.40
  6. Step 6: Final answer
    x = 110,684,554.80

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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.