Home / 130,247,485.65-179,741,883.87-71,513,955

Finding the Fourth Proportional to 130,247,485.65, 179,741,883.87 and 71,513,955

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Solution

The fourth proportional to 130,247,485.65, 179,741,883.87 and 71,513,955 is: 98,689,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,247,485.65 : 179,741,883.87 = 71,513,955 : x
  2. Step 2: Convert to fraction form
    130,247,485.65/179,741,883.87 = 71,513,955/x
  3. Step 3: Cross multiply
    130,247,485.65x = 179,741,883.87 × 71,513,955
  4. Step 4: Simplify right side
    130,247,485.65x = 12,854,052,994,694,406
  5. Step 5: Solve for x
    x = 12,854,052,994,694,406/130,247,485.65
  6. Step 6: Final answer
    x = 98,689,452.09

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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.