Home / 127,104,581.34-175,399,157.43-72,099,256.86

Finding the Fourth Proportional to 127,104,581.34, 175,399,157.43 and 72,099,256.86

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Solution

The fourth proportional to 127,104,581.34, 175,399,157.43 and 72,099,256.86 is: 99,494,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,581.34 : 175,399,157.43 = 72,099,256.86 : x
  2. Step 2: Convert to fraction form
    127,104,581.34/175,399,157.43 = 72,099,256.86/x
  3. Step 3: Cross multiply
    127,104,581.34x = 175,399,157.43 × 72,099,256.86
  4. Step 4: Simplify right side
    127,104,581.34x = 12,646,148,904,573,148
  5. Step 5: Solve for x
    x = 12,646,148,904,573,148/127,104,581.34
  6. Step 6: Final answer
    x = 99,494,044.76

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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.