Home / 131,220,181.60-196,830,272.40-76,576,674.40

Finding the Fourth Proportional to 131,220,181.60, 196,830,272.40 and 76,576,674.40

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Solution

The fourth proportional to 131,220,181.60, 196,830,272.40 and 76,576,674.40 is: 114,865,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,181.60 : 196,830,272.40 = 76,576,674.40 : x
  2. Step 2: Convert to fraction form
    131,220,181.60/196,830,272.40 = 76,576,674.40/x
  3. Step 3: Cross multiply
    131,220,181.60x = 196,830,272.40 × 76,576,674.40
  4. Step 4: Simplify right side
    131,220,181.60x = 15,072,607,681,638,108
  5. Step 5: Solve for x
    x = 15,072,607,681,638,108/131,220,181.60
  6. Step 6: Final answer
    x = 114,865,011.60

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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.