Home / 168,263,368.20-251,877,852.32-143,440,451.10

Finding the Fourth Proportional to 168,263,368.20, 251,877,852.32 and 143,440,451.10

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Solution

The fourth proportional to 168,263,368.20, 251,877,852.32 and 143,440,451.10 is: 214,719,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,263,368.20 : 251,877,852.32 = 143,440,451.10 : x
  2. Step 2: Convert to fraction form
    168,263,368.20/251,877,852.32 = 143,440,451.10/x
  3. Step 3: Cross multiply
    168,263,368.20x = 251,877,852.32 × 143,440,451.10
  4. Step 4: Simplify right side
    168,263,368.20x = 36,129,472,758,162,776
  5. Step 5: Solve for x
    x = 36,129,472,758,162,776/168,263,368.20
  6. Step 6: Final answer
    x = 214,719,776.17

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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.