Home / 323,696,535.20-485,544,802.80-105,367,450.40

Finding the Fourth Proportional to 323,696,535.20, 485,544,802.80 and 105,367,450.40

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Solution

The fourth proportional to 323,696,535.20, 485,544,802.80 and 105,367,450.40 is: 158,051,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,696,535.20 : 485,544,802.80 = 105,367,450.40 : x
  2. Step 2: Convert to fraction form
    323,696,535.20/485,544,802.80 = 105,367,450.40/x
  3. Step 3: Cross multiply
    323,696,535.20x = 485,544,802.80 × 105,367,450.40
  4. Step 4: Simplify right side
    323,696,535.20x = 51,160,617,926,006,784
  5. Step 5: Solve for x
    x = 51,160,617,926,006,784/323,696,535.20
  6. Step 6: Final answer
    x = 158,051,175.60

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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.