Home / 214,582,986.80-296,130,865.92-151,971,101.36

Finding the Fourth Proportional to 214,582,986.80, 296,130,865.92 and 151,971,101.36

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Solution

The fourth proportional to 214,582,986.80, 296,130,865.92 and 151,971,101.36 is: 209,724,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,582,986.80 : 296,130,865.92 = 151,971,101.36 : x
  2. Step 2: Convert to fraction form
    214,582,986.80/296,130,865.92 = 151,971,101.36/x
  3. Step 3: Cross multiply
    214,582,986.80x = 296,130,865.92 × 151,971,101.36
  4. Step 4: Simplify right side
    214,582,986.80x = 45,003,333,840,552,896
  5. Step 5: Solve for x
    x = 45,003,333,840,552,896/214,582,986.80
  6. Step 6: Final answer
    x = 209,724,612.90

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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.