Home / 103,141,157.94-154,694,918.88-30,340,909.44

Finding the Fourth Proportional to 103,141,157.94, 154,694,918.88 and 30,340,909.44

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Solution

The fourth proportional to 103,141,157.94, 154,694,918.88 and 30,340,909.44 is: 45,506,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,141,157.94 : 154,694,918.88 = 30,340,909.44 : x
  2. Step 2: Convert to fraction form
    103,141,157.94/154,694,918.88 = 30,340,909.44/x
  3. Step 3: Cross multiply
    103,141,157.94x = 154,694,918.88 × 30,340,909.44
  4. Step 4: Simplify right side
    103,141,157.94x = 4,693,584,524,566,226
  5. Step 5: Solve for x
    x = 4,693,584,524,566,226/103,141,157.94
  6. Step 6: Final answer
    x = 45,506,416.82

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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.