Home / 291,073,008.60-436,609,512.90-145,529,033.40

Finding the Fourth Proportional to 291,073,008.60, 436,609,512.90 and 145,529,033.40

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Solution

The fourth proportional to 291,073,008.60, 436,609,512.90 and 145,529,033.40 is: 218,293,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,073,008.60 : 436,609,512.90 = 145,529,033.40 : x
  2. Step 2: Convert to fraction form
    291,073,008.60/436,609,512.90 = 145,529,033.40/x
  3. Step 3: Cross multiply
    291,073,008.60x = 436,609,512.90 × 145,529,033.40
  4. Step 4: Simplify right side
    291,073,008.60x = 63,539,360,385,581,832
  5. Step 5: Solve for x
    x = 63,539,360,385,581,832/291,073,008.60
  6. Step 6: Final answer
    x = 218,293,550.10

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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.