Home / 127,819,231.80-191,728,847.70-107,411,897.40

Finding the Fourth Proportional to 127,819,231.80, 191,728,847.70 and 107,411,897.40

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Solution

The fourth proportional to 127,819,231.80, 191,728,847.70 and 107,411,897.40 is: 161,117,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819,231.80 : 191,728,847.70 = 107,411,897.40 : x
  2. Step 2: Convert to fraction form
    127,819,231.80/191,728,847.70 = 107,411,897.40/x
  3. Step 3: Cross multiply
    127,819,231.80x = 191,728,847.70 × 107,411,897.40
  4. Step 4: Simplify right side
    127,819,231.80x = 20,593,959,317,772,624
  5. Step 5: Solve for x
    x = 20,593,959,317,772,624/127,819,231.80
  6. Step 6: Final answer
    x = 161,117,846.10

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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.