Home / 127,104,652.84-175,399,255.56-72,099,328.36

Finding the Fourth Proportional to 127,104,652.84, 175,399,255.56 and 72,099,328.36

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Solution

The fourth proportional to 127,104,652.84, 175,399,255.56 and 72,099,328.36 is: 99,494,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,652.84 : 175,399,255.56 = 72,099,328.36 : x
  2. Step 2: Convert to fraction form
    127,104,652.84/175,399,255.56 = 72,099,328.36/x
  3. Step 3: Cross multiply
    127,104,652.84x = 175,399,255.56 × 72,099,328.36
  4. Step 4: Simplify right side
    127,104,652.84x = 12,646,168,520,719,996
  5. Step 5: Solve for x
    x = 12,646,168,520,719,996/127,104,652.84
  6. Step 6: Final answer
    x = 99,494,143.12

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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.