Home / 106,525,199.79-147,106,302.79-100,721,780.69

Finding the Fourth Proportional to 106,525,199.79, 147,106,302.79 and 100,721,780.69

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Solution

The fourth proportional to 106,525,199.79, 147,106,302.79 and 100,721,780.69 is: 139,092,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,525,199.79 : 147,106,302.79 = 100,721,780.69 : x
  2. Step 2: Convert to fraction form
    106,525,199.79/147,106,302.79 = 100,721,780.69/x
  3. Step 3: Cross multiply
    106,525,199.79x = 147,106,302.79 × 100,721,780.69
  4. Step 4: Simplify right side
    106,525,199.79x = 14,816,808,766,995,584
  5. Step 5: Solve for x
    x = 14,816,808,766,995,584/106,525,199.79
  6. Step 6: Final answer
    x = 139,092,053.31

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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.