Home / 106,525,200.95-147,106,304.39-100,721,781.84

Finding the Fourth Proportional to 106,525,200.95, 147,106,304.39 and 100,721,781.84

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Solution

The fourth proportional to 106,525,200.95, 147,106,304.39 and 100,721,781.84 is: 139,092,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,525,200.95 : 147,106,304.39 = 100,721,781.84 : x
  2. Step 2: Convert to fraction form
    106,525,200.95/147,106,304.39 = 100,721,781.84/x
  3. Step 3: Cross multiply
    106,525,200.95x = 147,106,304.39 × 100,721,781.84
  4. Step 4: Simplify right side
    106,525,200.95x = 14,816,809,098,058,214
  5. Step 5: Solve for x
    x = 14,816,809,098,058,214/106,525,200.95
  6. Step 6: Final answer
    x = 139,092,054.89

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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.