Home / 126,021,228.60-189,031,842.90-30,283,116.60

Finding the Fourth Proportional to 126,021,228.60, 189,031,842.90 and 30,283,116.60

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Solution

The fourth proportional to 126,021,228.60, 189,031,842.90 and 30,283,116.60 is: 45,424,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021,228.60 : 189,031,842.90 = 30,283,116.60 : x
  2. Step 2: Convert to fraction form
    126,021,228.60/189,031,842.90 = 30,283,116.60/x
  3. Step 3: Cross multiply
    126,021,228.60x = 189,031,842.90 × 30,283,116.60
  4. Step 4: Simplify right side
    126,021,228.60x = 5,724,473,339,653,583
  5. Step 5: Solve for x
    x = 5,724,473,339,653,583/126,021,228.60
  6. Step 6: Final answer
    x = 45,424,674.90

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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.