Home / 106,525,253.52-147,106,377.48-100,721,834.64

Finding the Fourth Proportional to 106,525,253.52, 147,106,377.48 and 100,721,834.64

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Solution

The fourth proportional to 106,525,253.52, 147,106,377.48 and 100,721,834.64 is: 139,092,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,525,253.52 : 147,106,377.48 = 100,721,834.64 : x
  2. Step 2: Convert to fraction form
    106,525,253.52/147,106,377.48 = 100,721,834.64/x
  3. Step 3: Cross multiply
    106,525,253.52x = 147,106,377.48 × 100,721,834.64
  4. Step 4: Simplify right side
    106,525,253.52x = 14,816,824,227,029,978
  5. Step 5: Solve for x
    x = 14,816,824,227,029,978/106,525,253.52
  6. Step 6: Final answer
    x = 139,092,128.27

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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.