Home / 201,901,098.30-302,851,647.45-72,528,675.90

Finding the Fourth Proportional to 201,901,098.30, 302,851,647.45 and 72,528,675.90

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Solution

The fourth proportional to 201,901,098.30, 302,851,647.45 and 72,528,675.90 is: 108,793,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,901,098.30 : 302,851,647.45 = 72,528,675.90 : x
  2. Step 2: Convert to fraction form
    201,901,098.30/302,851,647.45 = 72,528,675.90/x
  3. Step 3: Cross multiply
    201,901,098.30x = 302,851,647.45 × 72,528,675.90
  4. Step 4: Simplify right side
    201,901,098.30x = 21,965,428,983,682,112
  5. Step 5: Solve for x
    x = 21,965,428,983,682,112/201,901,098.30
  6. Step 6: Final answer
    x = 108,793,013.85

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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.