Home / 149,104,670.77-205,762,483.67-82,122,342.65

Finding the Fourth Proportional to 149,104,670.77, 205,762,483.67 and 82,122,342.65

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Solution

The fourth proportional to 149,104,670.77, 205,762,483.67 and 82,122,342.65 is: 113,327,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,104,670.77 : 205,762,483.67 = 82,122,342.65 : x
  2. Step 2: Convert to fraction form
    149,104,670.77/205,762,483.67 = 82,122,342.65/x
  3. Step 3: Cross multiply
    149,104,670.77x = 205,762,483.67 × 82,122,342.65
  4. Step 4: Simplify right side
    149,104,670.77x = 16,897,697,188,462,770
  5. Step 5: Solve for x
    x = 16,897,697,188,462,770/149,104,670.77
  6. Step 6: Final answer
    x = 113,327,752.25

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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.