Home / 108,767,117.70-163,150,676.55-99,697,191.30

Finding the Fourth Proportional to 108,767,117.70, 163,150,676.55 and 99,697,191.30

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Solution

The fourth proportional to 108,767,117.70, 163,150,676.55 and 99,697,191.30 is: 149,545,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,767,117.70 : 163,150,676.55 = 99,697,191.30 : x
  2. Step 2: Convert to fraction form
    108,767,117.70/163,150,676.55 = 99,697,191.30/x
  3. Step 3: Cross multiply
    108,767,117.70x = 163,150,676.55 × 99,697,191.30
  4. Step 4: Simplify right side
    108,767,117.70x = 16,265,664,210,729,774
  5. Step 5: Solve for x
    x = 16,265,664,210,729,774/108,767,117.70
  6. Step 6: Final answer
    x = 149,545,786.95

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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.