Home / 319,429,142.84-440,816,500.14-180,199,474.04

Finding the Fourth Proportional to 319,429,142.84, 440,816,500.14 and 180,199,474.04

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Solution

The fourth proportional to 319,429,142.84, 440,816,500.14 and 180,199,474.04 is: 248,677,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,429,142.84 : 440,816,500.14 = 180,199,474.04 : x
  2. Step 2: Convert to fraction form
    319,429,142.84/440,816,500.14 = 180,199,474.04/x
  3. Step 3: Cross multiply
    319,429,142.84x = 440,816,500.14 × 180,199,474.04
  4. Step 4: Simplify right side
    319,429,142.84x = 79,434,901,473,381,584
  5. Step 5: Solve for x
    x = 79,434,901,473,381,584/319,429,142.84
  6. Step 6: Final answer
    x = 248,677,690.35

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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.