Home / 108,804,931.15-163,207,396.73-76,493,318.35

Finding the Fourth Proportional to 108,804,931.15, 163,207,396.73 and 76,493,318.35

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Solution

The fourth proportional to 108,804,931.15, 163,207,396.73 and 76,493,318.35 is: 114,739,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804,931.15 : 163,207,396.73 = 76,493,318.35 : x
  2. Step 2: Convert to fraction form
    108,804,931.15/163,207,396.73 = 76,493,318.35/x
  3. Step 3: Cross multiply
    108,804,931.15x = 163,207,396.73 × 76,493,318.35
  4. Step 4: Simplify right side
    108,804,931.15x = 12,484,275,355,142,638
  5. Step 5: Solve for x
    x = 12,484,275,355,142,638/108,804,931.15
  6. Step 6: Final answer
    x = 114,739,977.53

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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.