Home / 91,890,234.80-137,835,352.20-45,973,732.40

Finding the Fourth Proportional to 91,890,234.80, 137,835,352.20 and 45,973,732.40

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Solution

The fourth proportional to 91,890,234.80, 137,835,352.20 and 45,973,732.40 is: 68,960,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,890,234.80 : 137,835,352.20 = 45,973,732.40 : x
  2. Step 2: Convert to fraction form
    91,890,234.80/137,835,352.20 = 45,973,732.40/x
  3. Step 3: Cross multiply
    91,890,234.80x = 137,835,352.20 × 45,973,732.40
  4. Step 4: Simplify right side
    91,890,234.80x = 6,336,805,597,302,551
  5. Step 5: Solve for x
    x = 6,336,805,597,302,551/91,890,234.80
  6. Step 6: Final answer
    x = 68,960,598.60

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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.