Home / 190,960,544.72-263,317,017.48-128,973,265.04

Finding the Fourth Proportional to 190,960,544.72, 263,317,017.48 and 128,973,265.04

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Solution

The fourth proportional to 190,960,544.72, 263,317,017.48 and 128,973,265.04 is: 177,842,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,960,544.72 : 263,317,017.48 = 128,973,265.04 : x
  2. Step 2: Convert to fraction form
    190,960,544.72/263,317,017.48 = 128,973,265.04/x
  3. Step 3: Cross multiply
    190,960,544.72x = 263,317,017.48 × 128,973,265.04
  4. Step 4: Simplify right side
    190,960,544.72x = 33,960,855,484,990,352
  5. Step 5: Solve for x
    x = 33,960,855,484,990,352/190,960,544.72
  6. Step 6: Final answer
    x = 177,842,263.36

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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.