Home / 106,525,199.70-147,106,302.67-100,721,780.59

Finding the Fourth Proportional to 106,525,199.70, 147,106,302.67 and 100,721,780.59

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Solution

The fourth proportional to 106,525,199.70, 147,106,302.67 and 100,721,780.59 is: 139,092,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,525,199.70 : 147,106,302.67 = 100,721,780.59 : x
  2. Step 2: Convert to fraction form
    106,525,199.70/147,106,302.67 = 100,721,780.59/x
  3. Step 3: Cross multiply
    106,525,199.70x = 147,106,302.67 × 100,721,780.59
  4. Step 4: Simplify right side
    106,525,199.70x = 14,816,808,740,430,262
  5. Step 5: Solve for x
    x = 14,816,808,740,430,262/106,525,199.70
  6. Step 6: Final answer
    x = 139,092,053.17

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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.