Home / 127,753,516.72-191,631,810.74-35,631,647.48

Finding the Fourth Proportional to 127,753,516.72, 191,631,810.74 and 35,631,647.48

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Solution

The fourth proportional to 127,753,516.72, 191,631,810.74 and 35,631,647.48 is: 53,447,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,753,516.72 : 191,631,810.74 = 35,631,647.48 : x
  2. Step 2: Convert to fraction form
    127,753,516.72/191,631,810.74 = 35,631,647.48/x
  3. Step 3: Cross multiply
    127,753,516.72x = 191,631,810.74 × 35,631,647.48
  4. Step 4: Simplify right side
    127,753,516.72x = 6,828,157,126,241,758
  5. Step 5: Solve for x
    x = 6,828,157,126,241,758/127,753,516.72
  6. Step 6: Final answer
    x = 53,447,899.53

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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.