Home / 70,457,906.20-105,786,392.10-43,584,050.20

Finding the Fourth Proportional to 70,457,906.20, 105,786,392.10 and 43,584,050.20

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Solution

The fourth proportional to 70,457,906.20, 105,786,392.10 and 43,584,050.20 is: 65,437,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,457,906.20 : 105,786,392.10 = 43,584,050.20 : x
  2. Step 2: Convert to fraction form
    70,457,906.20/105,786,392.10 = 43,584,050.20/x
  3. Step 3: Cross multiply
    70,457,906.20x = 105,786,392.10 × 43,584,050.20
  4. Step 4: Simplify right side
    70,457,906.20x = 4,610,599,423,763,283
  5. Step 5: Solve for x
    x = 4,610,599,423,763,283/70,457,906.20
  6. Step 6: Final answer
    x = 65,437,644.58

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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.