Home / 319,429,119.56-440,816,468.03-180,199,450.76

Finding the Fourth Proportional to 319,429,119.56, 440,816,468.03 and 180,199,450.76

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Solution

The fourth proportional to 319,429,119.56, 440,816,468.03 and 180,199,450.76 is: 248,677,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,429,119.56 : 440,816,468.03 = 180,199,450.76 : x
  2. Step 2: Convert to fraction form
    319,429,119.56/440,816,468.03 = 180,199,450.76/x
  3. Step 3: Cross multiply
    319,429,119.56x = 440,816,468.03 × 180,199,450.76
  4. Step 4: Simplify right side
    319,429,119.56x = 79,434,885,426,521,632
  5. Step 5: Solve for x
    x = 79,434,885,426,521,632/319,429,119.56
  6. Step 6: Final answer
    x = 248,677,658.24

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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.