Home / 127,104,630.84-175,399,225.20-72,099,306.36

Finding the Fourth Proportional to 127,104,630.84, 175,399,225.20 and 72,099,306.36

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Solution

The fourth proportional to 127,104,630.84, 175,399,225.20 and 72,099,306.36 is: 99,494,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,630.84 : 175,399,225.20 = 72,099,306.36 : x
  2. Step 2: Convert to fraction form
    127,104,630.84/175,399,225.20 = 72,099,306.36/x
  3. Step 3: Cross multiply
    127,104,630.84x = 175,399,225.20 × 72,099,306.36
  4. Step 4: Simplify right side
    127,104,630.84x = 12,646,162,473,001,432
  5. Step 5: Solve for x
    x = 12,646,162,473,001,432/127,104,630.84
  6. Step 6: Final answer
    x = 99,494,112.76

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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.