Home / 124,939,608.48-187,165,343.28-86,071,194.72

Finding the Fourth Proportional to 124,939,608.48, 187,165,343.28 and 86,071,194.72

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Solution

The fourth proportional to 124,939,608.48, 187,165,343.28 and 86,071,194.72 is: 128,938,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,939,608.48 : 187,165,343.28 = 86,071,194.72 : x
  2. Step 2: Convert to fraction form
    124,939,608.48/187,165,343.28 = 86,071,194.72/x
  3. Step 3: Cross multiply
    124,939,608.48x = 187,165,343.28 × 86,071,194.72
  4. Step 4: Simplify right side
    124,939,608.48x = 16,109,544,706,288,524
  5. Step 5: Solve for x
    x = 16,109,544,706,288,524/124,939,608.48
  6. Step 6: Final answer
    x = 128,938,652.06

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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.