Home / 127,104,651.34-175,399,253.49-72,099,326.86

Finding the Fourth Proportional to 127,104,651.34, 175,399,253.49 and 72,099,326.86

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Solution

The fourth proportional to 127,104,651.34, 175,399,253.49 and 72,099,326.86 is: 99,494,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,651.34 : 175,399,253.49 = 72,099,326.86 : x
  2. Step 2: Convert to fraction form
    127,104,651.34/175,399,253.49 = 72,099,326.86/x
  3. Step 3: Cross multiply
    127,104,651.34x = 175,399,253.49 × 72,099,326.86
  4. Step 4: Simplify right side
    127,104,651.34x = 12,646,168,108,375,506
  5. Step 5: Solve for x
    x = 12,646,168,108,375,506/127,104,651.34
  6. Step 6: Final answer
    x = 99,494,141.05

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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.