Home / 91,844,984.80-137,578,520.40-46,432,367.20

Finding the Fourth Proportional to 91,844,984.80, 137,578,520.40 and 46,432,367.20

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Solution

The fourth proportional to 91,844,984.80, 137,578,520.40 and 46,432,367.20 is: 69,553,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,844,984.80 : 137,578,520.40 = 46,432,367.20 : x
  2. Step 2: Convert to fraction form
    91,844,984.80/137,578,520.40 = 46,432,367.20/x
  3. Step 3: Cross multiply
    91,844,984.80x = 137,578,520.40 × 46,432,367.20
  4. Step 4: Simplify right side
    91,844,984.80x = 6,388,096,378,045,492
  5. Step 5: Solve for x
    x = 6,388,096,378,045,492/91,844,984.80
  6. Step 6: Final answer
    x = 69,553,023.41

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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.