Home / 92,014,019.40-137,781,880.65-72,722,711.10

Finding the Fourth Proportional to 92,014,019.40, 137,781,880.65 and 72,722,711.10

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Solution

The fourth proportional to 92,014,019.40, 137,781,880.65 and 72,722,711.10 is: 108,895,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,014,019.40 : 137,781,880.65 = 72,722,711.10 : x
  2. Step 2: Convert to fraction form
    92,014,019.40/137,781,880.65 = 72,722,711.10/x
  3. Step 3: Cross multiply
    92,014,019.40x = 137,781,880.65 × 72,722,711.10
  4. Step 4: Simplify right side
    92,014,019.40x = 10,019,871,901,324,630
  5. Step 5: Solve for x
    x = 10,019,871,901,324,630/92,014,019.40
  6. Step 6: Final answer
    x = 108,895,057.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.