Home / 127,182,008.20-190,787,009.10-46,420,472.20

Finding the Fourth Proportional to 127,182,008.20, 190,787,009.10 and 46,420,472.20

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Solution

The fourth proportional to 127,182,008.20, 190,787,009.10 and 46,420,472.20 is: 69,635,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,182,008.20 : 190,787,009.10 = 46,420,472.20 : x
  2. Step 2: Convert to fraction form
    127,182,008.20/190,787,009.10 = 46,420,472.20/x
  3. Step 3: Cross multiply
    127,182,008.20x = 190,787,009.10 × 46,420,472.20
  4. Step 4: Simplify right side
    127,182,008.20x = 8,856,423,052,047,697
  5. Step 5: Solve for x
    x = 8,856,423,052,047,697/127,182,008.20
  6. Step 6: Final answer
    x = 69,635,817.03

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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.