Home / 127,104,652.59-175,399,255.22-72,099,328.11

Finding the Fourth Proportional to 127,104,652.59, 175,399,255.22 and 72,099,328.11

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Solution

The fourth proportional to 127,104,652.59, 175,399,255.22 and 72,099,328.11 is: 99,494,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,652.59 : 175,399,255.22 = 72,099,328.11 : x
  2. Step 2: Convert to fraction form
    127,104,652.59/175,399,255.22 = 72,099,328.11/x
  3. Step 3: Cross multiply
    127,104,652.59x = 175,399,255.22 × 72,099,328.11
  4. Step 4: Simplify right side
    127,104,652.59x = 12,646,168,451,995,914
  5. Step 5: Solve for x
    x = 12,646,168,451,995,914/127,104,652.59
  6. Step 6: Final answer
    x = 99,494,142.77

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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.