Home / 310,541,296.80-465,746,626.80-157,043,056.80

Finding the Fourth Proportional to 310,541,296.80, 465,746,626.80 and 157,043,056.80

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Solution

The fourth proportional to 310,541,296.80, 465,746,626.80 and 157,043,056.80 is: 235,531,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,541,296.80 : 465,746,626.80 = 157,043,056.80 : x
  2. Step 2: Convert to fraction form
    310,541,296.80/465,746,626.80 = 157,043,056.80/x
  3. Step 3: Cross multiply
    310,541,296.80x = 465,746,626.80 × 157,043,056.80
  4. Step 4: Simplify right side
    310,541,296.80x = 73,142,273,966,960,816
  5. Step 5: Solve for x
    x = 73,142,273,966,960,816/310,541,296.80
  6. Step 6: Final answer
    x = 235,531,553.20

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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.