Home / 209,952,030.30-314,928,045.45-73,651,191.90

Finding the Fourth Proportional to 209,952,030.30, 314,928,045.45 and 73,651,191.90

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Solution

The fourth proportional to 209,952,030.30, 314,928,045.45 and 73,651,191.90 is: 110,476,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,030.30 : 314,928,045.45 = 73,651,191.90 : x
  2. Step 2: Convert to fraction form
    209,952,030.30/314,928,045.45 = 73,651,191.90/x
  3. Step 3: Cross multiply
    209,952,030.30x = 314,928,045.45 × 73,651,191.90
  4. Step 4: Simplify right side
    209,952,030.30x = 23,194,825,910,129,872
  5. Step 5: Solve for x
    x = 23,194,825,910,129,872/209,952,030.30
  6. Step 6: Final answer
    x = 110,476,787.85

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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.