Home / 133,806,497.80-200,709,746.70-128,704,664.20

Finding the Fourth Proportional to 133,806,497.80, 200,709,746.70 and 128,704,664.20

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Solution

The fourth proportional to 133,806,497.80, 200,709,746.70 and 128,704,664.20 is: 193,056,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,806,497.80 : 200,709,746.70 = 128,704,664.20 : x
  2. Step 2: Convert to fraction form
    133,806,497.80/200,709,746.70 = 128,704,664.20/x
  3. Step 3: Cross multiply
    133,806,497.80x = 200,709,746.70 × 128,704,664.20
  4. Step 4: Simplify right side
    133,806,497.80x = 25,832,280,550,690,556
  5. Step 5: Solve for x
    x = 25,832,280,550,690,556/133,806,497.80
  6. Step 6: Final answer
    x = 193,056,996.30

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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.