Home / 84,249,932.20-126,388,895.10-33,133,618.60

Finding the Fourth Proportional to 84,249,932.20, 126,388,895.10 and 33,133,618.60

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Solution

The fourth proportional to 84,249,932.20, 126,388,895.10 and 33,133,618.60 is: 49,705,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,249,932.20 : 126,388,895.10 = 33,133,618.60 : x
  2. Step 2: Convert to fraction form
    84,249,932.20/126,388,895.10 = 33,133,618.60/x
  3. Step 3: Cross multiply
    84,249,932.20x = 126,388,895.10 × 33,133,618.60
  4. Step 4: Simplify right side
    84,249,932.20x = 4,187,721,445,518,809
  5. Step 5: Solve for x
    x = 4,187,721,445,518,809/84,249,932.20
  6. Step 6: Final answer
    x = 49,705,932.53

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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.