Home / 151,900,549.20-209,623,400-82,285,930

Finding the Fourth Proportional to 151,900,549.20, 209,623,400 and 82,285,930

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Solution

The fourth proportional to 151,900,549.20, 209,623,400 and 82,285,930 is: 113,554,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,900,549.20 : 209,623,400 = 82,285,930 : x
  2. Step 2: Convert to fraction form
    151,900,549.20/209,623,400 = 82,285,930/x
  3. Step 3: Cross multiply
    151,900,549.20x = 209,623,400 × 82,285,930
  4. Step 4: Simplify right side
    151,900,549.20x = 17,249,056,418,762,000
  5. Step 5: Solve for x
    x = 17,249,056,418,762,000/151,900,549.20
  6. Step 6: Final answer
    x = 113,554,931.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.