Home / 127,104,569.34-175,399,140.84-72,099,244.86

Finding the Fourth Proportional to 127,104,569.34, 175,399,140.84 and 72,099,244.86

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Solution

The fourth proportional to 127,104,569.34, 175,399,140.84 and 72,099,244.86 is: 99,494,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,569.34 : 175,399,140.84 = 72,099,244.86 : x
  2. Step 2: Convert to fraction form
    127,104,569.34/175,399,140.84 = 72,099,244.86/x
  3. Step 3: Cross multiply
    127,104,569.34x = 175,399,140.84 × 72,099,244.86
  4. Step 4: Simplify right side
    127,104,569.34x = 12,646,145,603,656,786
  5. Step 5: Solve for x
    x = 12,646,145,603,656,786/127,104,569.34
  6. Step 6: Final answer
    x = 99,494,028.18

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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.