Home / 136,811,838.51-205,219,086.36-109,450,157.58

Finding the Fourth Proportional to 136,811,838.51, 205,219,086.36 and 109,450,157.58

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Solution

The fourth proportional to 136,811,838.51, 205,219,086.36 and 109,450,157.58 is: 164,176,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,811,838.51 : 205,219,086.36 = 109,450,157.58 : x
  2. Step 2: Convert to fraction form
    136,811,838.51/205,219,086.36 = 109,450,157.58/x
  3. Step 3: Cross multiply
    136,811,838.51x = 205,219,086.36 × 109,450,157.58
  4. Step 4: Simplify right side
    136,811,838.51x = 22,461,261,340,525,628
  5. Step 5: Solve for x
    x = 22,461,261,340,525,628/136,811,838.51
  6. Step 6: Final answer
    x = 164,176,299.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.