Home / 126,225,344.80-189,356,938.80-53,441,984.80

Finding the Fourth Proportional to 126,225,344.80, 189,356,938.80 and 53,441,984.80

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Solution

The fourth proportional to 126,225,344.80, 189,356,938.80 and 53,441,984.80 is: 80,170,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,225,344.80 : 189,356,938.80 = 53,441,984.80 : x
  2. Step 2: Convert to fraction form
    126,225,344.80/189,356,938.80 = 53,441,984.80/x
  3. Step 3: Cross multiply
    126,225,344.80x = 189,356,938.80 × 53,441,984.80
  4. Step 4: Simplify right side
    126,225,344.80x = 10,119,610,645,124,130
  5. Step 5: Solve for x
    x = 10,119,610,645,124,130/126,225,344.80
  6. Step 6: Final answer
    x = 80,170,988.33

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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.