Home / 147,745,265.40-221,617,898.10-86,523,262.20

Finding the Fourth Proportional to 147,745,265.40, 221,617,898.10 and 86,523,262.20

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Solution

The fourth proportional to 147,745,265.40, 221,617,898.10 and 86,523,262.20 is: 129,784,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,745,265.40 : 221,617,898.10 = 86,523,262.20 : x
  2. Step 2: Convert to fraction form
    147,745,265.40/221,617,898.10 = 86,523,262.20/x
  3. Step 3: Cross multiply
    147,745,265.40x = 221,617,898.10 × 86,523,262.20
  4. Step 4: Simplify right side
    147,745,265.40x = 19,175,103,505,519,180
  5. Step 5: Solve for x
    x = 19,175,103,505,519,180/147,745,265.40
  6. Step 6: Final answer
    x = 129,784,893.30

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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.