Home / 124,416,539.70-186,624,809.55-115,346,613.30

Finding the Fourth Proportional to 124,416,539.70, 186,624,809.55 and 115,346,613.30

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Solution

The fourth proportional to 124,416,539.70, 186,624,809.55 and 115,346,613.30 is: 173,019,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,539.70 : 186,624,809.55 = 115,346,613.30 : x
  2. Step 2: Convert to fraction form
    124,416,539.70/186,624,809.55 = 115,346,613.30/x
  3. Step 3: Cross multiply
    124,416,539.70x = 186,624,809.55 × 115,346,613.30
  4. Step 4: Simplify right side
    124,416,539.70x = 21,526,539,739,349,996
  5. Step 5: Solve for x
    x = 21,526,539,739,349,996/124,416,539.70
  6. Step 6: Final answer
    x = 173,019,919.95

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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.