Home / 313,568,657.58-432,748,986.40-188,125,574.34

Finding the Fourth Proportional to 313,568,657.58, 432,748,986.40 and 188,125,574.34

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Solution

The fourth proportional to 313,568,657.58, 432,748,986.40 and 188,125,574.34 is: 259,627,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,568,657.58 : 432,748,986.40 = 188,125,574.34 : x
  2. Step 2: Convert to fraction form
    313,568,657.58/432,748,986.40 = 188,125,574.34/x
  3. Step 3: Cross multiply
    313,568,657.58x = 432,748,986.40 × 188,125,574.34
  4. Step 4: Simplify right side
    313,568,657.58x = 81,411,151,611,552,848
  5. Step 5: Solve for x
    x = 81,411,151,611,552,848/313,568,657.58
  6. Step 6: Final answer
    x = 259,627,834.75

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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.