Home / 296,883,272.60-445,324,908.90-81,472,520.60

Finding the Fourth Proportional to 296,883,272.60, 445,324,908.90 and 81,472,520.60

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Solution

The fourth proportional to 296,883,272.60, 445,324,908.90 and 81,472,520.60 is: 122,208,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,883,272.60 : 445,324,908.90 = 81,472,520.60 : x
  2. Step 2: Convert to fraction form
    296,883,272.60/445,324,908.90 = 81,472,520.60/x
  3. Step 3: Cross multiply
    296,883,272.60x = 445,324,908.90 × 81,472,520.60
  4. Step 4: Simplify right side
    296,883,272.60x = 36,281,742,814,048,368
  5. Step 5: Solve for x
    x = 36,281,742,814,048,368/296,883,272.60
  6. Step 6: Final answer
    x = 122,208,780.90

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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.