Home / 108,670,511.70-163,005,767.55-97,920,969.30

Finding the Fourth Proportional to 108,670,511.70, 163,005,767.55 and 97,920,969.30

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Solution

The fourth proportional to 108,670,511.70, 163,005,767.55 and 97,920,969.30 is: 146,881,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,670,511.70 : 163,005,767.55 = 97,920,969.30 : x
  2. Step 2: Convert to fraction form
    108,670,511.70/163,005,767.55 = 97,920,969.30/x
  3. Step 3: Cross multiply
    108,670,511.70x = 163,005,767.55 × 97,920,969.30
  4. Step 4: Simplify right side
    108,670,511.70x = 15,961,682,759,986,486
  5. Step 5: Solve for x
    x = 15,961,682,759,986,486/108,670,511.70
  6. Step 6: Final answer
    x = 146,881,453.95

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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.