Home / 108,881,328.80-163,321,993.20-92,442,087.20

Finding the Fourth Proportional to 108,881,328.80, 163,321,993.20 and 92,442,087.20

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Solution

The fourth proportional to 108,881,328.80, 163,321,993.20 and 92,442,087.20 is: 138,663,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,881,328.80 : 163,321,993.20 = 92,442,087.20 : x
  2. Step 2: Convert to fraction form
    108,881,328.80/163,321,993.20 = 92,442,087.20/x
  3. Step 3: Cross multiply
    108,881,328.80x = 163,321,993.20 × 92,442,087.20
  4. Step 4: Simplify right side
    108,881,328.80x = 15,097,825,937,072,206
  5. Step 5: Solve for x
    x = 15,097,825,937,072,206/108,881,328.80
  6. Step 6: Final answer
    x = 138,663,130.80

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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.