Home / 434,246,578.80-651,145,919.40-161,476,940.40

Finding the Fourth Proportional to 434,246,578.80, 651,145,919.40 and 161,476,940.40

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Solution

The fourth proportional to 434,246,578.80, 651,145,919.40 and 161,476,940.40 is: 242,132,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,246,578.80 : 651,145,919.40 = 161,476,940.40 : x
  2. Step 2: Convert to fraction form
    434,246,578.80/651,145,919.40 = 161,476,940.40/x
  3. Step 3: Cross multiply
    434,246,578.80x = 651,145,919.40 × 161,476,940.40
  4. Step 4: Simplify right side
    434,246,578.80x = 105,145,050,818,657,008
  5. Step 5: Solve for x
    x = 105,145,050,818,657,008/434,246,578.80
  6. Step 6: Final answer
    x = 242,132,134.03

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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.