Home / 136,487,642.58-204,731,464.59-45,611,231.58

Finding the Fourth Proportional to 136,487,642.58, 204,731,464.59 and 45,611,231.58

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Solution

The fourth proportional to 136,487,642.58, 204,731,464.59 and 45,611,231.58 is: 68,416,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,487,642.58 : 204,731,464.59 = 45,611,231.58 : x
  2. Step 2: Convert to fraction form
    136,487,642.58/204,731,464.59 = 45,611,231.58/x
  3. Step 3: Cross multiply
    136,487,642.58x = 204,731,464.59 × 45,611,231.58
  4. Step 4: Simplify right side
    136,487,642.58x = 9,338,054,243,127,060
  5. Step 5: Solve for x
    x = 9,338,054,243,127,060/136,487,642.58
  6. Step 6: Final answer
    x = 68,416,847.61

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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.