Home / 109,889,934.20-164,834,901.30-45,240,136.55

Finding the Fourth Proportional to 109,889,934.20, 164,834,901.30 and 45,240,136.55

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Solution

The fourth proportional to 109,889,934.20, 164,834,901.30 and 45,240,136.55 is: 67,860,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,889,934.20 : 164,834,901.30 = 45,240,136.55 : x
  2. Step 2: Convert to fraction form
    109,889,934.20/164,834,901.30 = 45,240,136.55/x
  3. Step 3: Cross multiply
    109,889,934.20x = 164,834,901.30 × 45,240,136.55
  4. Step 4: Simplify right side
    109,889,934.20x = 7,457,153,443,017,773
  5. Step 5: Solve for x
    x = 7,457,153,443,017,773/109,889,934.20
  6. Step 6: Final answer
    x = 67,860,204.83

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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.