Home / 309,049,620.60-463,636,638.90-90,699,540.60

Finding the Fourth Proportional to 309,049,620.60, 463,636,638.90 and 90,699,540.60

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Solution

The fourth proportional to 309,049,620.60, 463,636,638.90 and 90,699,540.60 is: 136,067,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049,620.60 : 463,636,638.90 = 90,699,540.60 : x
  2. Step 2: Convert to fraction form
    309,049,620.60/463,636,638.90 = 90,699,540.60/x
  3. Step 3: Cross multiply
    309,049,620.60x = 463,636,638.90 × 90,699,540.60
  4. Step 4: Simplify right side
    309,049,620.60x = 42,051,630,153,558,088
  5. Step 5: Solve for x
    x = 42,051,630,153,558,088/309,049,620.60
  6. Step 6: Final answer
    x = 136,067,567.63

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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.