Home / 140,020,451.55-210,028,987.87-36,380,486.21

Finding the Fourth Proportional to 140,020,451.55, 210,028,987.87 and 36,380,486.21

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Solution

The fourth proportional to 140,020,451.55, 210,028,987.87 and 36,380,486.21 is: 54,570,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,451.55 : 210,028,987.87 = 36,380,486.21 : x
  2. Step 2: Convert to fraction form
    140,020,451.55/210,028,987.87 = 36,380,486.21/x
  3. Step 3: Cross multiply
    140,020,451.55x = 210,028,987.87 × 36,380,486.21
  4. Step 4: Simplify right side
    140,020,451.55x = 7,640,956,695,763,696
  5. Step 5: Solve for x
    x = 7,640,956,695,763,696/140,020,451.55
  6. Step 6: Final answer
    x = 54,570,290.35

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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.