Home / 281,964,486.60-389,117,700.90-158,214,316.32

Finding the Fourth Proportional to 281,964,486.60, 389,117,700.90 and 158,214,316.32

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Solution

The fourth proportional to 281,964,486.60, 389,117,700.90 and 158,214,316.32 is: 218,339,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,964,486.60 : 389,117,700.90 = 158,214,316.32 : x
  2. Step 2: Convert to fraction form
    281,964,486.60/389,117,700.90 = 158,214,316.32/x
  3. Step 3: Cross multiply
    281,964,486.60x = 389,117,700.90 × 158,214,316.32
  4. Step 4: Simplify right side
    281,964,486.60x = 61,563,991,015,903,744
  5. Step 5: Solve for x
    x = 61,563,991,015,903,744/281,964,486.60
  6. Step 6: Final answer
    x = 218,339,521.26

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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.