Home / 169,991,143,302.80-255,149,973,629.40-145,175,824,672.40

Finding the Fourth Proportional to 169,991,143,302.80, 255,149,973,629.40 and 145,175,824,672.40

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Solution

The fourth proportional to 169,991,143,302.80, 255,149,973,629.40 and 145,175,824,672.40 is: 217,903,163,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,991,143,302.80 : 255,149,973,629.40 = 145,175,824,672.40 : x
  2. Step 2: Convert to fraction form
    169,991,143,302.80/255,149,973,629.40 = 145,175,824,672.40/x
  3. Step 3: Cross multiply
    169,991,143,302.80x = 255,149,973,629.40 × 145,175,824,672.40
  4. Step 4: Simplify right side
    169,991,143,302.80x = 37,041,607,836,789,257,535,488
  5. Step 5: Solve for x
    x = 37,041,607,836,789,257,535,488/169,991,143,302.80
  6. Step 6: Final answer
    x = 217,903,163,171.32

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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.