Home / 127,104,632.84-175,399,227.96-72,099,308.36

Finding the Fourth Proportional to 127,104,632.84, 175,399,227.96 and 72,099,308.36

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Solution

The fourth proportional to 127,104,632.84, 175,399,227.96 and 72,099,308.36 is: 99,494,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,632.84 : 175,399,227.96 = 72,099,308.36 : x
  2. Step 2: Convert to fraction form
    127,104,632.84/175,399,227.96 = 72,099,308.36/x
  3. Step 3: Cross multiply
    127,104,632.84x = 175,399,227.96 × 72,099,308.36
  4. Step 4: Simplify right side
    127,104,632.84x = 12,646,163,022,793,974
  5. Step 5: Solve for x
    x = 12,646,163,022,793,974/127,104,632.84
  6. Step 6: Final answer
    x = 99,494,115.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.