Home / 91,890,229.80-137,835,344.70-45,973,727.40

Finding the Fourth Proportional to 91,890,229.80, 137,835,344.70 and 45,973,727.40

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Solution

The fourth proportional to 91,890,229.80, 137,835,344.70 and 45,973,727.40 is: 68,960,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,890,229.80 : 137,835,344.70 = 45,973,727.40 : x
  2. Step 2: Convert to fraction form
    91,890,229.80/137,835,344.70 = 45,973,727.40/x
  3. Step 3: Cross multiply
    91,890,229.80x = 137,835,344.70 × 45,973,727.40
  4. Step 4: Simplify right side
    91,890,229.80x = 6,336,804,563,322,834
  5. Step 5: Solve for x
    x = 6,336,804,563,322,834/91,890,229.80
  6. Step 6: Final answer
    x = 68,960,591.10

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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.