Home / 70,125,905.10-105,188,857.65-57,371,321.10

Finding the Fourth Proportional to 70,125,905.10, 105,188,857.65 and 57,371,321.10

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Solution

The fourth proportional to 70,125,905.10, 105,188,857.65 and 57,371,321.10 is: 86,056,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,125,905.10 : 105,188,857.65 = 57,371,321.10 : x
  2. Step 2: Convert to fraction form
    70,125,905.10/105,188,857.65 = 57,371,321.10/x
  3. Step 3: Cross multiply
    70,125,905.10x = 105,188,857.65 × 57,371,321.10
  4. Step 4: Simplify right side
    70,125,905.10x = 6,034,823,728,380,342
  5. Step 5: Solve for x
    x = 6,034,823,728,380,342/70,125,905.10
  6. Step 6: Final answer
    x = 86,056,981.65

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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.