Home / 137,592,141.60-206,388,212.40-127,069,609.80

Finding the Fourth Proportional to 137,592,141.60, 206,388,212.40 and 127,069,609.80

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Solution

The fourth proportional to 137,592,141.60, 206,388,212.40 and 127,069,609.80 is: 190,604,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,592,141.60 : 206,388,212.40 = 127,069,609.80 : x
  2. Step 2: Convert to fraction form
    137,592,141.60/206,388,212.40 = 127,069,609.80/x
  3. Step 3: Cross multiply
    137,592,141.60x = 206,388,212.40 × 127,069,609.80
  4. Step 4: Simplify right side
    137,592,141.60x = 26,225,669,616,987,520
  5. Step 5: Solve for x
    x = 26,225,669,616,987,520/137,592,141.60
  6. Step 6: Final answer
    x = 190,604,414.70

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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.