Home / 209,627,965.04-289,308,118.48-126,023,161.84

Finding the Fourth Proportional to 209,627,965.04, 289,308,118.48 and 126,023,161.84

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Solution

The fourth proportional to 209,627,965.04, 289,308,118.48 and 126,023,161.84 is: 173,924,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,627,965.04 : 289,308,118.48 = 126,023,161.84 : x
  2. Step 2: Convert to fraction form
    209,627,965.04/289,308,118.48 = 126,023,161.84/x
  3. Step 3: Cross multiply
    209,627,965.04x = 289,308,118.48 × 126,023,161.84
  4. Step 4: Simplify right side
    209,627,965.04x = 36,459,523,836,830,936
  5. Step 5: Solve for x
    x = 36,459,523,836,830,936/209,627,965.04
  6. Step 6: Final answer
    x = 173,924,904.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.