Home / 321,041,727.81-443,039,851.85-174,364,011.81

Finding the Fourth Proportional to 321,041,727.81, 443,039,851.85 and 174,364,011.81

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Solution

The fourth proportional to 321,041,727.81, 443,039,851.85 and 174,364,011.81 is: 240,623,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,041,727.81 : 443,039,851.85 = 174,364,011.81 : x
  2. Step 2: Convert to fraction form
    321,041,727.81/443,039,851.85 = 174,364,011.81/x
  3. Step 3: Cross multiply
    321,041,727.81x = 443,039,851.85 × 174,364,011.81
  4. Step 4: Simplify right side
    321,041,727.81x = 77,250,205,960,274,048
  5. Step 5: Solve for x
    x = 77,250,205,960,274,048/321,041,727.81
  6. Step 6: Final answer
    x = 240,623,567.81

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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.