Home / 127,104,588.84-175,399,167.78-72,099,264.36

Finding the Fourth Proportional to 127,104,588.84, 175,399,167.78 and 72,099,264.36

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Solution

The fourth proportional to 127,104,588.84, 175,399,167.78 and 72,099,264.36 is: 99,494,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,588.84 : 175,399,167.78 = 72,099,264.36 : x
  2. Step 2: Convert to fraction form
    127,104,588.84/175,399,167.78 = 72,099,264.36/x
  3. Step 3: Cross multiply
    127,104,588.84x = 175,399,167.78 × 72,099,264.36
  4. Step 4: Simplify right side
    127,104,588.84x = 12,646,150,966,294,214
  5. Step 5: Solve for x
    x = 12,646,150,966,294,214/127,104,588.84
  6. Step 6: Final answer
    x = 99,494,055.11

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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.