Home / 122,925,378.79-169,634,973.72-67,169,574.33

Finding the Fourth Proportional to 122,925,378.79, 169,634,973.72 and 67,169,574.33

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Solution

The fourth proportional to 122,925,378.79, 169,634,973.72 and 67,169,574.33 is: 92,692,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,925,378.79 : 169,634,973.72 = 67,169,574.33 : x
  2. Step 2: Convert to fraction form
    122,925,378.79/169,634,973.72 = 67,169,574.33/x
  3. Step 3: Cross multiply
    122,925,378.79x = 169,634,973.72 × 67,169,574.33
  4. Step 4: Simplify right side
    122,925,378.79x = 11,394,308,976,253,136
  5. Step 5: Solve for x
    x = 11,394,308,976,253,136/122,925,378.79
  6. Step 6: Final answer
    x = 92,692,892.94

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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.