Home / 130,857,236.85-196,287,889.70-38,750,290.82

Finding the Fourth Proportional to 130,857,236.85, 196,287,889.70 and 38,750,290.82

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Solution

The fourth proportional to 130,857,236.85, 196,287,889.70 and 38,750,290.82 is: 58,126,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,857,236.85 : 196,287,889.70 = 38,750,290.82 : x
  2. Step 2: Convert to fraction form
    130,857,236.85/196,287,889.70 = 38,750,290.82/x
  3. Step 3: Cross multiply
    130,857,236.85x = 196,287,889.70 × 38,750,290.82
  4. Step 4: Simplify right side
    130,857,236.85x = 7,606,212,810,906,677
  5. Step 5: Solve for x
    x = 7,606,212,810,906,677/130,857,236.85
  6. Step 6: Final answer
    x = 58,126,038.68

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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.