Home / 435,702,278.06-653,553,017.78-136,573,355.38

Finding the Fourth Proportional to 435,702,278.06, 653,553,017.78 and 136,573,355.38

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Solution

The fourth proportional to 435,702,278.06, 653,553,017.78 and 136,573,355.38 is: 204,859,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,702,278.06 : 653,553,017.78 = 136,573,355.38 : x
  2. Step 2: Convert to fraction form
    435,702,278.06/653,553,017.78 = 136,573,355.38/x
  3. Step 3: Cross multiply
    435,702,278.06x = 653,553,017.78 × 136,573,355.38
  4. Step 4: Simplify right side
    435,702,278.06x = 89,257,928,554,622,640
  5. Step 5: Solve for x
    x = 89,257,928,554,622,640/435,702,278.06
  6. Step 6: Final answer
    x = 204,859,907.90

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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.