Home / 121,738,337.83-167,980,965.19-74,029,253.59

Finding the Fourth Proportional to 121,738,337.83, 167,980,965.19 and 74,029,253.59

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Solution

The fourth proportional to 121,738,337.83, 167,980,965.19 and 74,029,253.59 is: 102,149,460.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,738,337.83 : 167,980,965.19 = 74,029,253.59 : x
  2. Step 2: Convert to fraction form
    121,738,337.83/167,980,965.19 = 74,029,253.59/x
  3. Step 3: Cross multiply
    121,738,337.83x = 167,980,965.19 × 74,029,253.59
  4. Step 4: Simplify right side
    121,738,337.83x = 12,435,505,470,343,472
  5. Step 5: Solve for x
    x = 12,435,505,470,343,472/121,738,337.83
  6. Step 6: Final answer
    x = 102,149,460.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.