Home / 104,551,103.53-156,805,988.12-99,366,207.67

Finding the Fourth Proportional to 104,551,103.53, 156,805,988.12 and 99,366,207.67

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Solution

The fourth proportional to 104,551,103.53, 156,805,988.12 and 99,366,207.67 is: 149,029,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,551,103.53 : 156,805,988.12 = 99,366,207.67 : x
  2. Step 2: Convert to fraction form
    104,551,103.53/156,805,988.12 = 99,366,207.67/x
  3. Step 3: Cross multiply
    104,551,103.53x = 156,805,988.12 × 99,366,207.67
  4. Step 4: Simplify right side
    104,551,103.53x = 15,581,216,378,150,614
  5. Step 5: Solve for x
    x = 15,581,216,378,150,614/104,551,103.53
  6. Step 6: Final answer
    x = 149,029,669.25

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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.