Home / 131,189,184.56-181,122,955.98-83,531,335.81

Finding the Fourth Proportional to 131,189,184.56, 181,122,955.98 and 83,531,335.81

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Solution

The fourth proportional to 131,189,184.56, 181,122,955.98 and 83,531,335.81 is: 115,325,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,189,184.56 : 181,122,955.98 = 83,531,335.81 : x
  2. Step 2: Convert to fraction form
    131,189,184.56/181,122,955.98 = 83,531,335.81/x
  3. Step 3: Cross multiply
    131,189,184.56x = 181,122,955.98 × 83,531,335.81
  4. Step 4: Simplify right side
    131,189,184.56x = 15,129,442,458,438,784
  5. Step 5: Solve for x
    x = 15,129,442,458,438,784/131,189,184.56
  6. Step 6: Final answer
    x = 115,325,379.21

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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.