Home / 73,615,390.80-110,423,086.20-50,657,139.60

Finding the Fourth Proportional to 73,615,390.80, 110,423,086.20 and 50,657,139.60

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Solution

The fourth proportional to 73,615,390.80, 110,423,086.20 and 50,657,139.60 is: 75,985,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,615,390.80 : 110,423,086.20 = 50,657,139.60 : x
  2. Step 2: Convert to fraction form
    73,615,390.80/110,423,086.20 = 50,657,139.60/x
  3. Step 3: Cross multiply
    73,615,390.80x = 110,423,086.20 × 50,657,139.60
  4. Step 4: Simplify right side
    73,615,390.80x = 5,593,717,692,696,234
  5. Step 5: Solve for x
    x = 5,593,717,692,696,234/73,615,390.80
  6. Step 6: Final answer
    x = 75,985,709.40

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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.