Home / 108,727,290.20-163,090,935.30-103,688,442.20

Finding the Fourth Proportional to 108,727,290.20, 163,090,935.30 and 103,688,442.20

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Solution

The fourth proportional to 108,727,290.20, 163,090,935.30 and 103,688,442.20 is: 155,532,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727,290.20 : 163,090,935.30 = 103,688,442.20 : x
  2. Step 2: Convert to fraction form
    108,727,290.20/163,090,935.30 = 103,688,442.20/x
  3. Step 3: Cross multiply
    108,727,290.20x = 163,090,935.30 × 103,688,442.20
  4. Step 4: Simplify right side
    108,727,290.20x = 16,910,645,018,197,992
  5. Step 5: Solve for x
    x = 16,910,645,018,197,992/108,727,290.20
  6. Step 6: Final answer
    x = 155,532,663.30

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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.