Home / 281,718,059.40-422,577,089.10-77,266,801.80

Finding the Fourth Proportional to 281,718,059.40, 422,577,089.10 and 77,266,801.80

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Solution

The fourth proportional to 281,718,059.40, 422,577,089.10 and 77,266,801.80 is: 115,900,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,718,059.40 : 422,577,089.10 = 77,266,801.80 : x
  2. Step 2: Convert to fraction form
    281,718,059.40/422,577,089.10 = 77,266,801.80/x
  3. Step 3: Cross multiply
    281,718,059.40x = 422,577,089.10 × 77,266,801.80
  4. Step 4: Simplify right side
    281,718,059.40x = 32,651,180,188,710,640
  5. Step 5: Solve for x
    x = 32,651,180,188,710,640/281,718,059.40
  6. Step 6: Final answer
    x = 115,900,202.70

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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.