Home / 187,467,269.40-281,201,839.02-76,863,352.46

Finding the Fourth Proportional to 187,467,269.40, 281,201,839.02 and 76,863,352.46

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Solution

The fourth proportional to 187,467,269.40, 281,201,839.02 and 76,863,352.46 is: 115,295,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,467,269.40 : 281,201,839.02 = 76,863,352.46 : x
  2. Step 2: Convert to fraction form
    187,467,269.40/281,201,839.02 = 76,863,352.46/x
  3. Step 3: Cross multiply
    187,467,269.40x = 281,201,839.02 × 76,863,352.46
  4. Step 4: Simplify right side
    187,467,269.40x = 21,614,116,063,588,428
  5. Step 5: Solve for x
    x = 21,614,116,063,588,428/187,467,269.40
  6. Step 6: Final answer
    x = 115,295,412.01

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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.