Home / 106,413,378.90-146,850,397.90-57,520,806.90

Finding the Fourth Proportional to 106,413,378.90, 146,850,397.90 and 57,520,806.90

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Solution

The fourth proportional to 106,413,378.90, 146,850,397.90 and 57,520,806.90 is: 79,378,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,413,378.90 : 146,850,397.90 = 57,520,806.90 : x
  2. Step 2: Convert to fraction form
    106,413,378.90/146,850,397.90 = 57,520,806.90/x
  3. Step 3: Cross multiply
    106,413,378.90x = 146,850,397.90 × 57,520,806.90
  4. Step 4: Simplify right side
    106,413,378.90x = 8,446,953,380,794,066
  5. Step 5: Solve for x
    x = 8,446,953,380,794,066/106,413,378.90
  6. Step 6: Final answer
    x = 79,378,678.40

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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.