Home / 127,332,011.40-190,998,017.10-54,536,404.20

Finding the Fourth Proportional to 127,332,011.40, 190,998,017.10 and 54,536,404.20

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Solution

The fourth proportional to 127,332,011.40, 190,998,017.10 and 54,536,404.20 is: 81,804,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,332,011.40 : 190,998,017.10 = 54,536,404.20 : x
  2. Step 2: Convert to fraction form
    127,332,011.40/190,998,017.10 = 54,536,404.20/x
  3. Step 3: Cross multiply
    127,332,011.40x = 190,998,017.10 × 54,536,404.20
  4. Step 4: Simplify right side
    127,332,011.40x = 10,416,345,061,964,112
  5. Step 5: Solve for x
    x = 10,416,345,061,964,112/127,332,011.40
  6. Step 6: Final answer
    x = 81,804,606.30

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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.