Home / 126,186,962.40-189,131,144.40-53,403,602.40

Finding the Fourth Proportional to 126,186,962.40, 189,131,144.40 and 53,403,602.40

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Solution

The fourth proportional to 126,186,962.40, 189,131,144.40 and 53,403,602.40 is: 80,042,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,186,962.40 : 189,131,144.40 = 53,403,602.40 : x
  2. Step 2: Convert to fraction form
    126,186,962.40/189,131,144.40 = 53,403,602.40/x
  3. Step 3: Cross multiply
    126,186,962.40x = 189,131,144.40 × 53,403,602.40
  4. Step 4: Simplify right side
    126,186,962.40x = 10,100,284,436,994,586
  5. Step 5: Solve for x
    x = 10,100,284,436,994,586/126,186,962.40
  6. Step 6: Final answer
    x = 80,042,218.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.