Home / 201,997,253.33-278,756,329.19-112,689,197.90

Finding the Fourth Proportional to 201,997,253.33, 278,756,329.19 and 112,689,197.90

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Solution

The fourth proportional to 201,997,253.33, 278,756,329.19 and 112,689,197.90 is: 155,511,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,997,253.33 : 278,756,329.19 = 112,689,197.90 : x
  2. Step 2: Convert to fraction form
    201,997,253.33/278,756,329.19 = 112,689,197.90/x
  3. Step 3: Cross multiply
    201,997,253.33x = 278,756,329.19 × 112,689,197.90
  4. Step 4: Simplify right side
    201,997,253.33x = 31,412,827,145,376,476
  5. Step 5: Solve for x
    x = 31,412,827,145,376,476/201,997,253.33
  6. Step 6: Final answer
    x = 155,511,159.81

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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.