Home / 108,772,643.70-163,158,965.55-103,481,853.30

Finding the Fourth Proportional to 108,772,643.70, 163,158,965.55 and 103,481,853.30

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Solution

The fourth proportional to 108,772,643.70, 163,158,965.55 and 103,481,853.30 is: 155,222,779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,772,643.70 : 163,158,965.55 = 103,481,853.30 : x
  2. Step 2: Convert to fraction form
    108,772,643.70/163,158,965.55 = 103,481,853.30/x
  3. Step 3: Cross multiply
    108,772,643.70x = 163,158,965.55 × 103,481,853.30
  4. Step 4: Simplify right side
    108,772,643.70x = 16,883,992,137,624,854
  5. Step 5: Solve for x
    x = 16,883,992,137,624,854/108,772,643.70
  6. Step 6: Final answer
    x = 155,222,779.95

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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.