Home / 80,432,991.84-111,008,913.84-45,634,303.20

Finding the Fourth Proportional to 80,432,991.84, 111,008,913.84 and 45,634,303.20

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Solution

The fourth proportional to 80,432,991.84, 111,008,913.84 and 45,634,303.20 is: 62,981,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,432,991.84 : 111,008,913.84 = 45,634,303.20 : x
  2. Step 2: Convert to fraction form
    80,432,991.84/111,008,913.84 = 45,634,303.20/x
  3. Step 3: Cross multiply
    80,432,991.84x = 111,008,913.84 × 45,634,303.20
  4. Step 4: Simplify right side
    80,432,991.84x = 5,065,814,432,077,237
  5. Step 5: Solve for x
    x = 5,065,814,432,077,237/80,432,991.84
  6. Step 6: Final answer
    x = 62,981,797.84

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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.