Home / 108,918,004.90-163,377,007.35-68,607,220.90

Finding the Fourth Proportional to 108,918,004.90, 163,377,007.35 and 68,607,220.90

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Solution

The fourth proportional to 108,918,004.90, 163,377,007.35 and 68,607,220.90 is: 102,910,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,004.90 : 163,377,007.35 = 68,607,220.90 : x
  2. Step 2: Convert to fraction form
    108,918,004.90/163,377,007.35 = 68,607,220.90/x
  3. Step 3: Cross multiply
    108,918,004.90x = 163,377,007.35 × 68,607,220.90
  4. Step 4: Simplify right side
    108,918,004.90x = 11,208,842,433,242,374
  5. Step 5: Solve for x
    x = 11,208,842,433,242,374/108,918,004.90
  6. Step 6: Final answer
    x = 102,910,831.35

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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.