Home / 61,661,769.21-85,089,988.43-35,199,071.61

Finding the Fourth Proportional to 61,661,769.21, 85,089,988.43 and 35,199,071.61

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Solution

The fourth proportional to 61,661,769.21, 85,089,988.43 and 35,199,071.61 is: 48,572,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,661,769.21 : 85,089,988.43 = 35,199,071.61 : x
  2. Step 2: Convert to fraction form
    61,661,769.21/85,089,988.43 = 35,199,071.61/x
  3. Step 3: Cross multiply
    61,661,769.21x = 85,089,988.43 × 35,199,071.61
  4. Step 4: Simplify right side
    61,661,769.21x = 2,995,088,595,440,196
  5. Step 5: Solve for x
    x = 2,995,088,595,440,196/61,661,769.21
  6. Step 6: Final answer
    x = 48,572,861.82

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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.