Home / 106,525,197.82-147,106,300.07-100,721,778.72

Finding the Fourth Proportional to 106,525,197.82, 147,106,300.07 and 100,721,778.72

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Solution

The fourth proportional to 106,525,197.82, 147,106,300.07 and 100,721,778.72 is: 139,092,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,525,197.82 : 147,106,300.07 = 100,721,778.72 : x
  2. Step 2: Convert to fraction form
    106,525,197.82/147,106,300.07 = 100,721,778.72/x
  3. Step 3: Cross multiply
    106,525,197.82x = 147,106,300.07 × 100,721,778.72
  4. Step 4: Simplify right side
    106,525,197.82x = 14,816,808,203,385,588
  5. Step 5: Solve for x
    x = 14,816,808,203,385,588/106,525,197.82
  6. Step 6: Final answer
    x = 139,092,050.59

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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.