Home / 108,868,442.16-163,245,960-51,345,268.32

Finding the Fourth Proportional to 108,868,442.16, 163,245,960 and 51,345,268.32

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Solution

The fourth proportional to 108,868,442.16, 163,245,960 and 51,345,268.32 is: 76,991,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,868,442.16 : 163,245,960 = 51,345,268.32 : x
  2. Step 2: Convert to fraction form
    108,868,442.16/163,245,960 = 51,345,268.32/x
  3. Step 3: Cross multiply
    108,868,442.16x = 163,245,960 × 51,345,268.32
  4. Step 4: Simplify right side
    108,868,442.16x = 8,381,907,618,355,987
  5. Step 5: Solve for x
    x = 8,381,907,618,355,987/108,868,442.16
  6. Step 6: Final answer
    x = 76,991,159.72

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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.