Home / 130,463,922.36-180,040,328.22-71,727,586.68

Finding the Fourth Proportional to 130,463,922.36, 180,040,328.22 and 71,727,586.68

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Solution

The fourth proportional to 130,463,922.36, 180,040,328.22 and 71,727,586.68 is: 98,984,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,463,922.36 : 180,040,328.22 = 71,727,586.68 : x
  2. Step 2: Convert to fraction form
    130,463,922.36/180,040,328.22 = 71,727,586.68/x
  3. Step 3: Cross multiply
    130,463,922.36x = 180,040,328.22 × 71,727,586.68
  4. Step 4: Simplify right side
    130,463,922.36x = 12,913,858,248,295,702
  5. Step 5: Solve for x
    x = 12,913,858,248,295,702/130,463,922.36
  6. Step 6: Final answer
    x = 98,984,133.04

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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.