Home / 130,507,827.91-180,105,427.88-71,775,035.44

Finding the Fourth Proportional to 130,507,827.91, 180,105,427.88 and 71,775,035.44

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Solution

The fourth proportional to 130,507,827.91, 180,105,427.88 and 71,775,035.44 is: 99,052,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,827.91 : 180,105,427.88 = 71,775,035.44 : x
  2. Step 2: Convert to fraction form
    130,507,827.91/180,105,427.88 = 71,775,035.44/x
  3. Step 3: Cross multiply
    130,507,827.91x = 180,105,427.88 × 71,775,035.44
  4. Step 4: Simplify right side
    130,507,827.91x = 12,927,073,469,023,364
  5. Step 5: Solve for x
    x = 12,927,073,469,023,364/130,507,827.91
  6. Step 6: Final answer
    x = 99,052,092.71

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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.