Home / 108,918,194.40-163,377,291.60-68,607,410.40

Finding the Fourth Proportional to 108,918,194.40, 163,377,291.60 and 68,607,410.40

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Solution

The fourth proportional to 108,918,194.40, 163,377,291.60 and 68,607,410.40 is: 102,911,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,194.40 : 163,377,291.60 = 68,607,410.40 : x
  2. Step 2: Convert to fraction form
    108,918,194.40/163,377,291.60 = 68,607,410.40/x
  3. Step 3: Cross multiply
    108,918,194.40x = 163,377,291.60 × 68,607,410.40
  4. Step 4: Simplify right side
    108,918,194.40x = 11,208,892,894,841,674
  5. Step 5: Solve for x
    x = 11,208,892,894,841,674/108,918,194.40
  6. Step 6: Final answer
    x = 102,911,115.60

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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.