Home / 127,877,644.20-191,816,466.30-47,088,114.60

Finding the Fourth Proportional to 127,877,644.20, 191,816,466.30 and 47,088,114.60

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Solution

The fourth proportional to 127,877,644.20, 191,816,466.30 and 47,088,114.60 is: 70,632,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,877,644.20 : 191,816,466.30 = 47,088,114.60 : x
  2. Step 2: Convert to fraction form
    127,877,644.20/191,816,466.30 = 47,088,114.60/x
  3. Step 3: Cross multiply
    127,877,644.20x = 191,816,466.30 × 47,088,114.60
  4. Step 4: Simplify right side
    127,877,644.20x = 9,032,275,747,301,438
  5. Step 5: Solve for x
    x = 9,032,275,747,301,438/127,877,644.20
  6. Step 6: Final answer
    x = 70,632,171.90

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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.