Home / 209,046,679.04-288,500,573.28-125,417,956.80

Finding the Fourth Proportional to 209,046,679.04, 288,500,573.28 and 125,417,956.80

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Solution

The fourth proportional to 209,046,679.04, 288,500,573.28 and 125,417,956.80 is: 173,086,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,046,679.04 : 288,500,573.28 = 125,417,956.80 : x
  2. Step 2: Convert to fraction form
    209,046,679.04/288,500,573.28 = 125,417,956.80/x
  3. Step 3: Cross multiply
    209,046,679.04x = 288,500,573.28 × 125,417,956.80
  4. Step 4: Simplify right side
    209,046,679.04x = 36,183,152,436,406,272
  5. Step 5: Solve for x
    x = 36,183,152,436,406,272/209,046,679.04
  6. Step 6: Final answer
    x = 173,086,473.33

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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.