Home / 103,393,187.55-155,091,388.77-30,617,328.96

Finding the Fourth Proportional to 103,393,187.55, 155,091,388.77 and 30,617,328.96

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Solution

The fourth proportional to 103,393,187.55, 155,091,388.77 and 30,617,328.96 is: 45,926,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,393,187.55 : 155,091,388.77 = 30,617,328.96 : x
  2. Step 2: Convert to fraction form
    103,393,187.55/155,091,388.77 = 30,617,328.96/x
  3. Step 3: Cross multiply
    103,393,187.55x = 155,091,388.77 × 30,617,328.96
  4. Step 4: Simplify right side
    103,393,187.55x = 4,748,484,068,834,340
  5. Step 5: Solve for x
    x = 4,748,484,068,834,340/103,393,187.55
  6. Step 6: Final answer
    x = 45,926,469.44

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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.