Home / 172,873,792.68-259,311,126.42-70,637,830.32

Finding the Fourth Proportional to 172,873,792.68, 259,311,126.42 and 70,637,830.32

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Solution

The fourth proportional to 172,873,792.68, 259,311,126.42 and 70,637,830.32 is: 105,956,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,873,792.68 : 259,311,126.42 = 70,637,830.32 : x
  2. Step 2: Convert to fraction form
    172,873,792.68/259,311,126.42 = 70,637,830.32/x
  3. Step 3: Cross multiply
    172,873,792.68x = 259,311,126.42 × 70,637,830.32
  4. Step 4: Simplify right side
    172,873,792.68x = 18,317,175,348,144,028
  5. Step 5: Solve for x
    x = 18,317,175,348,144,028/172,873,792.68
  6. Step 6: Final answer
    x = 105,956,924.21

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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.