Home / 124,685,998.20-187,028,997.30-51,878,581.20

Finding the Fourth Proportional to 124,685,998.20, 187,028,997.30 and 51,878,581.20

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Solution

The fourth proportional to 124,685,998.20, 187,028,997.30 and 51,878,581.20 is: 77,817,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,685,998.20 : 187,028,997.30 = 51,878,581.20 : x
  2. Step 2: Convert to fraction form
    124,685,998.20/187,028,997.30 = 51,878,581.20/x
  3. Step 3: Cross multiply
    124,685,998.20x = 187,028,997.30 × 51,878,581.20
  4. Step 4: Simplify right side
    124,685,998.20x = 9,702,799,023,182,632
  5. Step 5: Solve for x
    x = 9,702,799,023,182,632/124,685,998.20
  6. Step 6: Final answer
    x = 77,817,871.80

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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.