Home / 89,089,531.11-122,956,222.59-49,405,887.90

Finding the Fourth Proportional to 89,089,531.11, 122,956,222.59 and 49,405,887.90

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Solution

The fourth proportional to 89,089,531.11, 122,956,222.59 and 49,405,887.90 is: 68,187,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,089,531.11 : 122,956,222.59 = 49,405,887.90 : x
  2. Step 2: Convert to fraction form
    89,089,531.11/122,956,222.59 = 49,405,887.90/x
  3. Step 3: Cross multiply
    89,089,531.11x = 122,956,222.59 × 49,405,887.90
  4. Step 4: Simplify right side
    89,089,531.11x = 6,074,761,349,888,988
  5. Step 5: Solve for x
    x = 6,074,761,349,888,988/89,089,531.11
  6. Step 6: Final answer
    x = 68,187,151.44

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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.